; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=armv7a < %s | FileCheck %s --check-prefix=ARM ; RUN: llc -mtriple=armv6m < %s | FileCheck %s --check-prefix=THUMB ; RUN: llc -mtriple=armv7m < %s | FileCheck %s --check-prefix=THUMB2 define i1 @cmp_ne_zero_and_rr(i32 %a, i32 %b) { ; ARM-LABEL: cmp_ne_zero_and_rr: ; ARM: @ %bb.0: ; ARM-NEXT: ands r0, r0, r1 ; ARM-NEXT: movwne r0, #1 ; ARM-NEXT: bx lr ; ; THUMB-LABEL: cmp_ne_zero_and_rr: ; THUMB: @ %bb.0: ; THUMB-NEXT: ands r0, r1 ; THUMB-NEXT: subs r1, r0, #1 ; THUMB-NEXT: sbcs r0, r1 ; THUMB-NEXT: bx lr ; ; THUMB2-LABEL: cmp_ne_zero_and_rr: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: ands r0, r1 ; THUMB2-NEXT: it ne ; THUMB2-NEXT: movne r0, #1 ; THUMB2-NEXT: bx lr %and = and i32 %a, %b %res = icmp ne i32 %and, 0 ret i1 %res } define i1 @cmp_ne_zero_and_ri(i32 %a) { ; ARM-LABEL: cmp_ne_zero_and_ri: ; ARM: @ %bb.0: ; ARM-NEXT: ands r0, r0, #42 ; ARM-NEXT: movwne r0, #1 ; ARM-NEXT: bx lr ; ; THUMB-LABEL: cmp_ne_zero_and_ri: ; THUMB: @ %bb.0: ; THUMB-NEXT: movs r1, #42 ; THUMB-NEXT: ands r0, r1 ; THUMB-NEXT: subs r1, r0, #1 ; THUMB-NEXT: sbcs r0, r1 ; THUMB-NEXT: bx lr ; ; THUMB2-LABEL: cmp_ne_zero_and_ri: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: ands r0, r0, #42 ; THUMB2-NEXT: it ne ; THUMB2-NEXT: movne r0, #1 ; THUMB2-NEXT: bx lr %and = and i32 %a, 42 %res = icmp ne i32 %and, 0 ret i1 %res } define i1 @cmp_ne_zero_and_rsr(i32 %a, i32 %b, i32 %c) { ; ARM-LABEL: cmp_ne_zero_and_rsr: ; ARM: @ %bb.0: ; ARM-NEXT: ands r0, r0, r1, lsl r2 ; ARM-NEXT: movwne r0, #1 ; ARM-NEXT: bx lr ; ; THUMB-LABEL: cmp_ne_zero_and_rsr: ; THUMB: @ %bb.0: ; THUMB-NEXT: lsls r1, r2 ; THUMB-NEXT: ands r0, r1 ; THUMB-NEXT: subs r1, r0, #1 ; THUMB-NEXT: sbcs r0, r1 ; THUMB-NEXT: bx lr ; ; THUMB2-LABEL: cmp_ne_zero_and_rsr: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: lsls r1, r2 ; THUMB2-NEXT: ands r0, r1 ; THUMB2-NEXT: it ne ; THUMB2-NEXT: movne r0, #1 ; THUMB2-NEXT: bx lr %sh = shl i32 %b, %c %and = and i32 %sh, %a %res = icmp ne i32 %and, 0 ret i1 %res } define i1 @cmp_ne_zero_and_rsi(i32 %a, i32 %b) { ; ARM-LABEL: cmp_ne_zero_and_rsi: ; ARM: @ %bb.0: ; ARM-NEXT: ands r0, r0, r1, lsr #17 ; ARM-NEXT: movwne r0, #1 ; ARM-NEXT: bx lr ; ; THUMB-LABEL: cmp_ne_zero_and_rsi: ; THUMB: @ %bb.0: ; THUMB-NEXT: lsrs r1, r1, #17 ; THUMB-NEXT: ands r0, r1 ; THUMB-NEXT: subs r1, r0, #1 ; THUMB-NEXT: sbcs r0, r1 ; THUMB-NEXT: bx lr ; ; THUMB2-LABEL: cmp_ne_zero_and_rsi: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: ands.w r0, r0, r1, lsr #17 ; THUMB2-NEXT: it ne ; THUMB2-NEXT: movne r0, #1 ; THUMB2-NEXT: bx lr %sh = lshr i32 %b, 17 %and = and i32 %sh, %a %res = icmp ne i32 %and, 0 ret i1 %res } define i1 @cmp_ne_zero_or_rr(i32 %a, i32 %b) { ; ARM-LABEL: cmp_ne_zero_or_rr: ; ARM: @ %bb.0: ; ARM-NEXT: orrs r0, r0, r1 ; ARM-NEXT: movwne r0, #1 ; ARM-NEXT: bx lr ; ; THUMB-LABEL: cmp_ne_zero_or_rr: ; THUMB: @ %bb.0: ; THUMB-NEXT: orrs r0, r1 ; THUMB-NEXT: subs r1, r0, #1 ; THUMB-NEXT: sbcs r0, r1 ; THUMB-NEXT: bx lr ; ; THUMB2-LABEL: cmp_ne_zero_or_rr: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: orrs r0, r1 ; THUMB2-NEXT: it ne ; THUMB2-NEXT: movne r0, #1 ; THUMB2-NEXT: bx lr %or = or i32 %a, %b %res = icmp ne i32 %or, 0 ret i1 %res } define i1 @cmp_ne_zero_or_ri(i32 %a) { ; ARM-LABEL: cmp_ne_zero_or_ri: ; ARM: @ %bb.0: ; ARM-NEXT: orrs r0, r0, #42 ; ARM-NEXT: movwne r0, #1 ; ARM-NEXT: bx lr ; ; THUMB-LABEL: cmp_ne_zero_or_ri: ; THUMB: @ %bb.0: ; THUMB-NEXT: movs r1, #42 ; THUMB-NEXT: orrs r0, r1 ; THUMB-NEXT: subs r1, r0, #1 ; THUMB-NEXT: sbcs r0, r1 ; THUMB-NEXT: bx lr ; ; THUMB2-LABEL: cmp_ne_zero_or_ri: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: orrs r0, r0, #42 ; THUMB2-NEXT: it ne ; THUMB2-NEXT: movne r0, #1 ; THUMB2-NEXT: bx lr %or = or i32 %a, 42 %res = icmp ne i32 %or, 0 ret i1 %res } define i1 @cmp_ne_zero_or_rsr(i32 %a, i32 %b, i32 %c) { ; ARM-LABEL: cmp_ne_zero_or_rsr: ; ARM: @ %bb.0: ; ARM-NEXT: orrs r0, r0, r1, lsl r2 ; ARM-NEXT: movwne r0, #1 ; ARM-NEXT: bx lr ; ; THUMB-LABEL: cmp_ne_zero_or_rsr: ; THUMB: @ %bb.0: ; THUMB-NEXT: lsls r1, r2 ; THUMB-NEXT: orrs r0, r1 ; THUMB-NEXT: subs r1, r0, #1 ; THUMB-NEXT: sbcs r0, r1 ; THUMB-NEXT: bx lr ; ; THUMB2-LABEL: cmp_ne_zero_or_rsr: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: lsls r1, r2 ; THUMB2-NEXT: orrs r0, r1 ; THUMB2-NEXT: it ne ; THUMB2-NEXT: movne r0, #1 ; THUMB2-NEXT: bx lr %sh = shl i32 %b, %c %or = or i32 %sh, %a %res = icmp ne i32 %or, 0 ret i1 %res } define i1 @cmp_ne_zero_or_rsi(i32 %a, i32 %b) { ; ARM-LABEL: cmp_ne_zero_or_rsi: ; ARM: @ %bb.0: ; ARM-NEXT: orrs r0, r0, r1, lsr #17 ; ARM-NEXT: movwne r0, #1 ; ARM-NEXT: bx lr ; ; THUMB-LABEL: cmp_ne_zero_or_rsi: ; THUMB: @ %bb.0: ; THUMB-NEXT: lsrs r1, r1, #17 ; THUMB-NEXT: orrs r0, r1 ; THUMB-NEXT: subs r1, r0, #1 ; THUMB-NEXT: sbcs r0, r1 ; THUMB-NEXT: bx lr ; ; THUMB2-LABEL: cmp_ne_zero_or_rsi: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: orrs.w r0, r0, r1, lsr #17 ; THUMB2-NEXT: it ne ; THUMB2-NEXT: movne r0, #1 ; THUMB2-NEXT: bx lr %sh = lshr i32 %b, 17 %or = or i32 %sh, %a %res = icmp ne i32 %or, 0 ret i1 %res } define i1 @cmp_ne_zero_xor_rr(i32 %a, i32 %b) { ; ARM-LABEL: cmp_ne_zero_xor_rr: ; ARM: @ %bb.0: ; ARM-NEXT: eors r0, r0, r1 ; ARM-NEXT: movwne r0, #1 ; ARM-NEXT: bx lr ; ; THUMB-LABEL: cmp_ne_zero_xor_rr: ; THUMB: @ %bb.0: ; THUMB-NEXT: eors r0, r1 ; THUMB-NEXT: subs r1, r0, #1 ; THUMB-NEXT: sbcs r0, r1 ; THUMB-NEXT: bx lr ; ; THUMB2-LABEL: cmp_ne_zero_xor_rr: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: eors r0, r1 ; THUMB2-NEXT: it ne ; THUMB2-NEXT: movne r0, #1 ; THUMB2-NEXT: bx lr %xor = xor i32 %a, %b %res = icmp ne i32 %xor, 0 ret i1 %res } define i1 @cmp_ne_zero_xor_ri(i32 %a) { ; ARM-LABEL: cmp_ne_zero_xor_ri: ; ARM: @ %bb.0: ; ARM-NEXT: subs r0, r0, #42 ; ARM-NEXT: movwne r0, #1 ; ARM-NEXT: bx lr ; ; THUMB-LABEL: cmp_ne_zero_xor_ri: ; THUMB: @ %bb.0: ; THUMB-NEXT: subs r0, #42 ; THUMB-NEXT: subs r1, r0, #1 ; THUMB-NEXT: sbcs r0, r1 ; THUMB-NEXT: bx lr ; ; THUMB2-LABEL: cmp_ne_zero_xor_ri: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: subs r0, #42 ; THUMB2-NEXT: it ne ; THUMB2-NEXT: movne r0, #1 ; THUMB2-NEXT: bx lr %xor = xor i32 %a, 42 %res = icmp ne i32 %xor, 0 ret i1 %res } define i1 @cmp_ne_zero_xor_rsr(i32 %a, i32 %b, i32 %c) { ; ARM-LABEL: cmp_ne_zero_xor_rsr: ; ARM: @ %bb.0: ; ARM-NEXT: eors r0, r0, r1, lsl r2 ; ARM-NEXT: movwne r0, #1 ; ARM-NEXT: bx lr ; ; THUMB-LABEL: cmp_ne_zero_xor_rsr: ; THUMB: @ %bb.0: ; THUMB-NEXT: lsls r1, r2 ; THUMB-NEXT: eors r0, r1 ; THUMB-NEXT: subs r1, r0, #1 ; THUMB-NEXT: sbcs r0, r1 ; THUMB-NEXT: bx lr ; ; THUMB2-LABEL: cmp_ne_zero_xor_rsr: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: lsls r1, r2 ; THUMB2-NEXT: eors r0, r1 ; THUMB2-NEXT: it ne ; THUMB2-NEXT: movne r0, #1 ; THUMB2-NEXT: bx lr %sh = shl i32 %b, %c %xor = xor i32 %sh, %a %res = icmp ne i32 %xor, 0 ret i1 %res } define i1 @cmp_ne_zero_xor_rsi(i32 %a, i32 %b) { ; ARM-LABEL: cmp_ne_zero_xor_rsi: ; ARM: @ %bb.0: ; ARM-NEXT: eors r0, r0, r1, lsr #17 ; ARM-NEXT: movwne r0, #1 ; ARM-NEXT: bx lr ; ; THUMB-LABEL: cmp_ne_zero_xor_rsi: ; THUMB: @ %bb.0: ; THUMB-NEXT: lsrs r1, r1, #17 ; THUMB-NEXT: eors r0, r1 ; THUMB-NEXT: subs r1, r0, #1 ; THUMB-NEXT: sbcs r0, r1 ; THUMB-NEXT: bx lr ; ; THUMB2-LABEL: cmp_ne_zero_xor_rsi: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: eors.w r0, r0, r1, lsr #17 ; THUMB2-NEXT: it ne ; THUMB2-NEXT: movne r0, #1 ; THUMB2-NEXT: bx lr %sh = lshr i32 %b, 17 %xor = xor i32 %sh, %a %res = icmp ne i32 %xor, 0 ret i1 %res } define i1 @cmp_ne_zero_and_not_rr(i32 %a, i32 %b) { ; ARM-LABEL: cmp_ne_zero_and_not_rr: ; ARM: @ %bb.0: ; ARM-NEXT: bics r0, r0, r1 ; ARM-NEXT: movwne r0, #1 ; ARM-NEXT: bx lr ; ; THUMB-LABEL: cmp_ne_zero_and_not_rr: ; THUMB: @ %bb.0: ; THUMB-NEXT: bics r0, r1 ; THUMB-NEXT: subs r1, r0, #1 ; THUMB-NEXT: sbcs r0, r1 ; THUMB-NEXT: bx lr ; ; THUMB2-LABEL: cmp_ne_zero_and_not_rr: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: bics r0, r1 ; THUMB2-NEXT: it ne ; THUMB2-NEXT: movne r0, #1 ; THUMB2-NEXT: bx lr %not = xor i32 %b, -1 %and = and i32 %a, %not %res = icmp ne i32 %and, 0 ret i1 %res } define i1 @cmp_ne_zero_and_not_ri(i32 %a) { ; ARM-LABEL: cmp_ne_zero_and_not_ri: ; ARM: @ %bb.0: ; ARM-NEXT: bics r0, r0, #42 ; ARM-NEXT: movwne r0, #1 ; ARM-NEXT: bx lr ; ; THUMB-LABEL: cmp_ne_zero_and_not_ri: ; THUMB: @ %bb.0: ; THUMB-NEXT: movs r1, #42 ; THUMB-NEXT: bics r0, r1 ; THUMB-NEXT: subs r1, r0, #1 ; THUMB-NEXT: sbcs r0, r1 ; THUMB-NEXT: bx lr ; ; THUMB2-LABEL: cmp_ne_zero_and_not_ri: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: bics r0, r0, #42 ; THUMB2-NEXT: it ne ; THUMB2-NEXT: movne r0, #1 ; THUMB2-NEXT: bx lr %not = xor i32 42, -1 %and = and i32 %a, %not %res = icmp ne i32 %and, 0 ret i1 %res } define i1 @cmp_ne_zero_and_not_rsr(i32 %a, i32 %b, i32 %c) { ; ARM-LABEL: cmp_ne_zero_and_not_rsr: ; ARM: @ %bb.0: ; ARM-NEXT: bics r0, r0, r1, lsl r2 ; ARM-NEXT: movwne r0, #1 ; ARM-NEXT: bx lr ; ; THUMB-LABEL: cmp_ne_zero_and_not_rsr: ; THUMB: @ %bb.0: ; THUMB-NEXT: lsls r1, r2 ; THUMB-NEXT: bics r0, r1 ; THUMB-NEXT: subs r1, r0, #1 ; THUMB-NEXT: sbcs r0, r1 ; THUMB-NEXT: bx lr ; ; THUMB2-LABEL: cmp_ne_zero_and_not_rsr: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: lsls r1, r2 ; THUMB2-NEXT: bics r0, r1 ; THUMB2-NEXT: it ne ; THUMB2-NEXT: movne r0, #1 ; THUMB2-NEXT: bx lr %sh = shl i32 %b, %c %not = xor i32 %sh, -1 %and = and i32 %not, %a %res = icmp ne i32 %and, 0 ret i1 %res } define i1 @cmp_ne_zero_and_not_rsi(i32 %a, i32 %b) { ; ARM-LABEL: cmp_ne_zero_and_not_rsi: ; ARM: @ %bb.0: ; ARM-NEXT: bics r0, r0, r1, lsr #17 ; ARM-NEXT: movwne r0, #1 ; ARM-NEXT: bx lr ; ; THUMB-LABEL: cmp_ne_zero_and_not_rsi: ; THUMB: @ %bb.0: ; THUMB-NEXT: lsrs r1, r1, #17 ; THUMB-NEXT: bics r0, r1 ; THUMB-NEXT: subs r1, r0, #1 ; THUMB-NEXT: sbcs r0, r1 ; THUMB-NEXT: bx lr ; ; THUMB2-LABEL: cmp_ne_zero_and_not_rsi: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: bics.w r0, r0, r1, lsr #17 ; THUMB2-NEXT: it ne ; THUMB2-NEXT: movne r0, #1 ; THUMB2-NEXT: bx lr %sh = lshr i32 %b, 17 %not = xor i32 %sh, -1 %and = and i32 %not, %a %res = icmp ne i32 %and, 0 ret i1 %res } define i1 @cmp_ne_zero_shl_rr(i32 %a, i32 %b) { ; ARM-LABEL: cmp_ne_zero_shl_rr: ; ARM: @ %bb.0: ; ARM-NEXT: lsls r0, r0, r1 ; ARM-NEXT: movwne r0, #1 ; ARM-NEXT: bx lr ; ; THUMB-LABEL: cmp_ne_zero_shl_rr: ; THUMB: @ %bb.0: ; THUMB-NEXT: lsls r0, r1 ; THUMB-NEXT: subs r1, r0, #1 ; THUMB-NEXT: sbcs r0, r1 ; THUMB-NEXT: bx lr ; ; THUMB2-LABEL: cmp_ne_zero_shl_rr: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: lsls r0, r1 ; THUMB2-NEXT: it ne ; THUMB2-NEXT: movne r0, #1 ; THUMB2-NEXT: bx lr %sh = shl i32 %a, %b %cmp = icmp ne i32 %sh, 0 ret i1 %cmp } define i1 @cmp_ne_zero_shl_ri(i32 %a) { ; ARM-LABEL: cmp_ne_zero_shl_ri: ; ARM: @ %bb.0: ; ARM-NEXT: lsls r0, r0, #7 ; ARM-NEXT: movwne r0, #1 ; ARM-NEXT: bx lr ; ; THUMB-LABEL: cmp_ne_zero_shl_ri: ; THUMB: @ %bb.0: ; THUMB-NEXT: lsls r0, r0, #7 ; THUMB-NEXT: subs r1, r0, #1 ; THUMB-NEXT: sbcs r0, r1 ; THUMB-NEXT: bx lr ; ; THUMB2-LABEL: cmp_ne_zero_shl_ri: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: lsls r0, r0, #7 ; THUMB2-NEXT: it ne ; THUMB2-NEXT: movne r0, #1 ; THUMB2-NEXT: bx lr %sh = shl i32 %a, 7 %cmp = icmp ne i32 %sh, 0 ret i1 %cmp } define i1 @cmp_ne_zero_lshr_rr(i32 %a, i32 %b) { ; ARM-LABEL: cmp_ne_zero_lshr_rr: ; ARM: @ %bb.0: ; ARM-NEXT: lsrs r0, r0, r1 ; ARM-NEXT: movwne r0, #1 ; ARM-NEXT: bx lr ; ; THUMB-LABEL: cmp_ne_zero_lshr_rr: ; THUMB: @ %bb.0: ; THUMB-NEXT: lsrs r0, r1 ; THUMB-NEXT: subs r1, r0, #1 ; THUMB-NEXT: sbcs r0, r1 ; THUMB-NEXT: bx lr ; ; THUMB2-LABEL: cmp_ne_zero_lshr_rr: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: lsrs r0, r1 ; THUMB2-NEXT: it ne ; THUMB2-NEXT: movne r0, #1 ; THUMB2-NEXT: bx lr %sh = lshr i32 %a, %b %cmp = icmp ne i32 %sh, 0 ret i1 %cmp } define i1 @cmp_ne_zero_lshr_ri(i32 %a) { ; ARM-LABEL: cmp_ne_zero_lshr_ri: ; ARM: @ %bb.0: ; ARM-NEXT: lsrs r0, r0, #7 ; ARM-NEXT: movwne r0, #1 ; ARM-NEXT: bx lr ; ; THUMB-LABEL: cmp_ne_zero_lshr_ri: ; THUMB: @ %bb.0: ; THUMB-NEXT: lsrs r0, r0, #7 ; THUMB-NEXT: subs r1, r0, #1 ; THUMB-NEXT: sbcs r0, r1 ; THUMB-NEXT: bx lr ; ; THUMB2-LABEL: cmp_ne_zero_lshr_ri: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: lsrs r0, r0, #7 ; THUMB2-NEXT: it ne ; THUMB2-NEXT: movne r0, #1 ; THUMB2-NEXT: bx lr %sh = lshr i32 %a, 7 %cmp = icmp ne i32 %sh, 0 ret i1 %cmp } define i1 @cmp_ne_zero_ashr_rr(i32 %a, i32 %b) { ; ARM-LABEL: cmp_ne_zero_ashr_rr: ; ARM: @ %bb.0: ; ARM-NEXT: asrs r0, r0, r1 ; ARM-NEXT: movwne r0, #1 ; ARM-NEXT: bx lr ; ; THUMB-LABEL: cmp_ne_zero_ashr_rr: ; THUMB: @ %bb.0: ; THUMB-NEXT: asrs r0, r1 ; THUMB-NEXT: subs r1, r0, #1 ; THUMB-NEXT: sbcs r0, r1 ; THUMB-NEXT: bx lr ; ; THUMB2-LABEL: cmp_ne_zero_ashr_rr: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: asrs r0, r1 ; THUMB2-NEXT: cmp r0, #0 ; THUMB2-NEXT: it ne ; THUMB2-NEXT: movne r0, #1 ; THUMB2-NEXT: bx lr %sh = ashr i32 %a, %b %cmp = icmp ne i32 %sh, 0 ret i1 %cmp } define i1 @cmp_ne_zero_ashr_ri(i32 %a) { ; ARM-LABEL: cmp_ne_zero_ashr_ri: ; ARM: @ %bb.0: ; ARM-NEXT: asrs r0, r0, #7 ; ARM-NEXT: movwne r0, #1 ; ARM-NEXT: bx lr ; ; THUMB-LABEL: cmp_ne_zero_ashr_ri: ; THUMB: @ %bb.0: ; THUMB-NEXT: asrs r0, r0, #7 ; THUMB-NEXT: subs r1, r0, #1 ; THUMB-NEXT: sbcs r0, r1 ; THUMB-NEXT: bx lr ; ; THUMB2-LABEL: cmp_ne_zero_ashr_ri: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: asrs r0, r0, #7 ; THUMB2-NEXT: cmp r0, #0 ; THUMB2-NEXT: it ne ; THUMB2-NEXT: movne r0, #1 ; THUMB2-NEXT: bx lr %sh = ashr i32 %a, 7 %cmp = icmp ne i32 %sh, 0 ret i1 %cmp } define i1 @cmp_eq_zero_and_rr(i32 %a, i32 %b) { ; ARM-LABEL: cmp_eq_zero_and_rr: ; ARM: @ %bb.0: ; ARM-NEXT: and r0, r0, r1 ; ARM-NEXT: clz r0, r0 ; ARM-NEXT: lsr r0, r0, #5 ; ARM-NEXT: bx lr ; ; THUMB-LABEL: cmp_eq_zero_and_rr: ; THUMB: @ %bb.0: ; THUMB-NEXT: ands r0, r1 ; THUMB-NEXT: rsbs r1, r0, #0 ; THUMB-NEXT: adcs r0, r1 ; THUMB-NEXT: bx lr ; ; THUMB2-LABEL: cmp_eq_zero_and_rr: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: ands r0, r1 ; THUMB2-NEXT: clz r0, r0 ; THUMB2-NEXT: lsrs r0, r0, #5 ; THUMB2-NEXT: bx lr %and = and i32 %a, %b %res = icmp eq i32 %and, 0 ret i1 %res } define i1 @cmp_eq_zero_and_ri(i32 %a) { ; ARM-LABEL: cmp_eq_zero_and_ri: ; ARM: @ %bb.0: ; ARM-NEXT: and r0, r0, #42 ; ARM-NEXT: clz r0, r0 ; ARM-NEXT: lsr r0, r0, #5 ; ARM-NEXT: bx lr ; ; THUMB-LABEL: cmp_eq_zero_and_ri: ; THUMB: @ %bb.0: ; THUMB-NEXT: movs r1, #42 ; THUMB-NEXT: ands r0, r1 ; THUMB-NEXT: rsbs r1, r0, #0 ; THUMB-NEXT: adcs r0, r1 ; THUMB-NEXT: bx lr ; ; THUMB2-LABEL: cmp_eq_zero_and_ri: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: and r0, r0, #42 ; THUMB2-NEXT: clz r0, r0 ; THUMB2-NEXT: lsrs r0, r0, #5 ; THUMB2-NEXT: bx lr %and = and i32 %a, 42 %res = icmp eq i32 %and, 0 ret i1 %res } define i1 @cmp_eq_zero_and_rsr(i32 %a, i32 %b, i32 %c) { ; ARM-LABEL: cmp_eq_zero_and_rsr: ; ARM: @ %bb.0: ; ARM-NEXT: and r0, r0, r1, lsl r2 ; ARM-NEXT: clz r0, r0 ; ARM-NEXT: lsr r0, r0, #5 ; ARM-NEXT: bx lr ; ; THUMB-LABEL: cmp_eq_zero_and_rsr: ; THUMB: @ %bb.0: ; THUMB-NEXT: lsls r1, r2 ; THUMB-NEXT: ands r0, r1 ; THUMB-NEXT: rsbs r1, r0, #0 ; THUMB-NEXT: adcs r0, r1 ; THUMB-NEXT: bx lr ; ; THUMB2-LABEL: cmp_eq_zero_and_rsr: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: lsls r1, r2 ; THUMB2-NEXT: ands r0, r1 ; THUMB2-NEXT: clz r0, r0 ; THUMB2-NEXT: lsrs r0, r0, #5 ; THUMB2-NEXT: bx lr %sh = shl i32 %b, %c %and = and i32 %sh, %a %res = icmp eq i32 %and, 0 ret i1 %res } define i1 @cmp_eq_zero_and_rsi(i32 %a, i32 %b) { ; ARM-LABEL: cmp_eq_zero_and_rsi: ; ARM: @ %bb.0: ; ARM-NEXT: and r0, r0, r1, lsr #17 ; ARM-NEXT: clz r0, r0 ; ARM-NEXT: lsr r0, r0, #5 ; ARM-NEXT: bx lr ; ; THUMB-LABEL: cmp_eq_zero_and_rsi: ; THUMB: @ %bb.0: ; THUMB-NEXT: lsrs r1, r1, #17 ; THUMB-NEXT: ands r0, r1 ; THUMB-NEXT: rsbs r1, r0, #0 ; THUMB-NEXT: adcs r0, r1 ; THUMB-NEXT: bx lr ; ; THUMB2-LABEL: cmp_eq_zero_and_rsi: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: and.w r0, r0, r1, lsr #17 ; THUMB2-NEXT: clz r0, r0 ; THUMB2-NEXT: lsrs r0, r0, #5 ; THUMB2-NEXT: bx lr %sh = lshr i32 %b, 17 %and = and i32 %sh, %a %res = icmp eq i32 %and, 0 ret i1 %res } define i1 @cmp_eq_zero_or_rr(i32 %a, i32 %b) { ; ARM-LABEL: cmp_eq_zero_or_rr: ; ARM: @ %bb.0: ; ARM-NEXT: orr r0, r0, r1 ; ARM-NEXT: clz r0, r0 ; ARM-NEXT: lsr r0, r0, #5 ; ARM-NEXT: bx lr ; ; THUMB-LABEL: cmp_eq_zero_or_rr: ; THUMB: @ %bb.0: ; THUMB-NEXT: orrs r0, r1 ; THUMB-NEXT: rsbs r1, r0, #0 ; THUMB-NEXT: adcs r0, r1 ; THUMB-NEXT: bx lr ; ; THUMB2-LABEL: cmp_eq_zero_or_rr: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: orrs r0, r1 ; THUMB2-NEXT: clz r0, r0 ; THUMB2-NEXT: lsrs r0, r0, #5 ; THUMB2-NEXT: bx lr %or = or i32 %a, %b %res = icmp eq i32 %or, 0 ret i1 %res } define i1 @cmp_eq_zero_or_ri(i32 %a) { ; ARM-LABEL: cmp_eq_zero_or_ri: ; ARM: @ %bb.0: ; ARM-NEXT: mov r0, #0 ; ARM-NEXT: bx lr ; ; THUMB-LABEL: cmp_eq_zero_or_ri: ; THUMB: @ %bb.0: ; THUMB-NEXT: movs r1, #42 ; THUMB-NEXT: orrs r0, r1 ; THUMB-NEXT: rsbs r1, r0, #0 ; THUMB-NEXT: adcs r0, r1 ; THUMB-NEXT: bx lr ; ; THUMB2-LABEL: cmp_eq_zero_or_ri: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: movs r0, #0 ; THUMB2-NEXT: bx lr %or = or i32 %a, 42 %res = icmp eq i32 %or, 0 ret i1 %res } define i1 @cmp_eq_zero_or_rsr(i32 %a, i32 %b, i32 %c) { ; ARM-LABEL: cmp_eq_zero_or_rsr: ; ARM: @ %bb.0: ; ARM-NEXT: orr r0, r0, r1, lsl r2 ; ARM-NEXT: clz r0, r0 ; ARM-NEXT: lsr r0, r0, #5 ; ARM-NEXT: bx lr ; ; THUMB-LABEL: cmp_eq_zero_or_rsr: ; THUMB: @ %bb.0: ; THUMB-NEXT: lsls r1, r2 ; THUMB-NEXT: orrs r0, r1 ; THUMB-NEXT: rsbs r1, r0, #0 ; THUMB-NEXT: adcs r0, r1 ; THUMB-NEXT: bx lr ; ; THUMB2-LABEL: cmp_eq_zero_or_rsr: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: lsls r1, r2 ; THUMB2-NEXT: orrs r0, r1 ; THUMB2-NEXT: clz r0, r0 ; THUMB2-NEXT: lsrs r0, r0, #5 ; THUMB2-NEXT: bx lr %sh = shl i32 %b, %c %or = or i32 %sh, %a %res = icmp eq i32 %or, 0 ret i1 %res } define i1 @cmp_eq_zero_or_rsi(i32 %a, i32 %b) { ; ARM-LABEL: cmp_eq_zero_or_rsi: ; ARM: @ %bb.0: ; ARM-NEXT: orr r0, r0, r1, lsr #17 ; ARM-NEXT: clz r0, r0 ; ARM-NEXT: lsr r0, r0, #5 ; ARM-NEXT: bx lr ; ; THUMB-LABEL: cmp_eq_zero_or_rsi: ; THUMB: @ %bb.0: ; THUMB-NEXT: lsrs r1, r1, #17 ; THUMB-NEXT: orrs r0, r1 ; THUMB-NEXT: rsbs r1, r0, #0 ; THUMB-NEXT: adcs r0, r1 ; THUMB-NEXT: bx lr ; ; THUMB2-LABEL: cmp_eq_zero_or_rsi: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: orr.w r0, r0, r1, lsr #17 ; THUMB2-NEXT: clz r0, r0 ; THUMB2-NEXT: lsrs r0, r0, #5 ; THUMB2-NEXT: bx lr %sh = lshr i32 %b, 17 %or = or i32 %sh, %a %res = icmp eq i32 %or, 0 ret i1 %res } define i1 @cmp_eq_zero_xor_rr(i32 %a, i32 %b) { ; ARM-LABEL: cmp_eq_zero_xor_rr: ; ARM: @ %bb.0: ; ARM-NEXT: eor r0, r0, r1 ; ARM-NEXT: clz r0, r0 ; ARM-NEXT: lsr r0, r0, #5 ; ARM-NEXT: bx lr ; ; THUMB-LABEL: cmp_eq_zero_xor_rr: ; THUMB: @ %bb.0: ; THUMB-NEXT: eors r0, r1 ; THUMB-NEXT: rsbs r1, r0, #0 ; THUMB-NEXT: adcs r0, r1 ; THUMB-NEXT: bx lr ; ; THUMB2-LABEL: cmp_eq_zero_xor_rr: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: eors r0, r1 ; THUMB2-NEXT: clz r0, r0 ; THUMB2-NEXT: lsrs r0, r0, #5 ; THUMB2-NEXT: bx lr %xor = xor i32 %a, %b %res = icmp eq i32 %xor, 0 ret i1 %res } define i1 @cmp_eq_zero_xor_ri(i32 %a) { ; ARM-LABEL: cmp_eq_zero_xor_ri: ; ARM: @ %bb.0: ; ARM-NEXT: sub r0, r0, #42 ; ARM-NEXT: clz r0, r0 ; ARM-NEXT: lsr r0, r0, #5 ; ARM-NEXT: bx lr ; ; THUMB-LABEL: cmp_eq_zero_xor_ri: ; THUMB: @ %bb.0: ; THUMB-NEXT: subs r0, #42 ; THUMB-NEXT: rsbs r1, r0, #0 ; THUMB-NEXT: adcs r0, r1 ; THUMB-NEXT: bx lr ; ; THUMB2-LABEL: cmp_eq_zero_xor_ri: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: subs r0, #42 ; THUMB2-NEXT: clz r0, r0 ; THUMB2-NEXT: lsrs r0, r0, #5 ; THUMB2-NEXT: bx lr %xor = xor i32 %a, 42 %res = icmp eq i32 %xor, 0 ret i1 %res } define i1 @cmp_eq_zero_xor_rsr(i32 %a, i32 %b, i32 %c) { ; ARM-LABEL: cmp_eq_zero_xor_rsr: ; ARM: @ %bb.0: ; ARM-NEXT: eor r0, r0, r1, lsl r2 ; ARM-NEXT: clz r0, r0 ; ARM-NEXT: lsr r0, r0, #5 ; ARM-NEXT: bx lr ; ; THUMB-LABEL: cmp_eq_zero_xor_rsr: ; THUMB: @ %bb.0: ; THUMB-NEXT: lsls r1, r2 ; THUMB-NEXT: eors r0, r1 ; THUMB-NEXT: rsbs r1, r0, #0 ; THUMB-NEXT: adcs r0, r1 ; THUMB-NEXT: bx lr ; ; THUMB2-LABEL: cmp_eq_zero_xor_rsr: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: lsls r1, r2 ; THUMB2-NEXT: eors r0, r1 ; THUMB2-NEXT: clz r0, r0 ; THUMB2-NEXT: lsrs r0, r0, #5 ; THUMB2-NEXT: bx lr %sh = shl i32 %b, %c %xor = xor i32 %sh, %a %res = icmp eq i32 %xor, 0 ret i1 %res } define i1 @cmp_eq_zero_xor_rsi(i32 %a, i32 %b) { ; ARM-LABEL: cmp_eq_zero_xor_rsi: ; ARM: @ %bb.0: ; ARM-NEXT: eor r0, r0, r1, lsr #17 ; ARM-NEXT: clz r0, r0 ; ARM-NEXT: lsr r0, r0, #5 ; ARM-NEXT: bx lr ; ; THUMB-LABEL: cmp_eq_zero_xor_rsi: ; THUMB: @ %bb.0: ; THUMB-NEXT: lsrs r1, r1, #17 ; THUMB-NEXT: eors r0, r1 ; THUMB-NEXT: rsbs r1, r0, #0 ; THUMB-NEXT: adcs r0, r1 ; THUMB-NEXT: bx lr ; ; THUMB2-LABEL: cmp_eq_zero_xor_rsi: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: eor.w r0, r0, r1, lsr #17 ; THUMB2-NEXT: clz r0, r0 ; THUMB2-NEXT: lsrs r0, r0, #5 ; THUMB2-NEXT: bx lr %sh = lshr i32 %b, 17 %xor = xor i32 %sh, %a %res = icmp eq i32 %xor, 0 ret i1 %res } define i1 @cmp_eq_zero_and_not_rr(i32 %a, i32 %b) { ; ARM-LABEL: cmp_eq_zero_and_not_rr: ; ARM: @ %bb.0: ; ARM-NEXT: bic r0, r0, r1 ; ARM-NEXT: clz r0, r0 ; ARM-NEXT: lsr r0, r0, #5 ; ARM-NEXT: bx lr ; ; THUMB-LABEL: cmp_eq_zero_and_not_rr: ; THUMB: @ %bb.0: ; THUMB-NEXT: bics r0, r1 ; THUMB-NEXT: rsbs r1, r0, #0 ; THUMB-NEXT: adcs r0, r1 ; THUMB-NEXT: bx lr ; ; THUMB2-LABEL: cmp_eq_zero_and_not_rr: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: bics r0, r1 ; THUMB2-NEXT: clz r0, r0 ; THUMB2-NEXT: lsrs r0, r0, #5 ; THUMB2-NEXT: bx lr %not = xor i32 %b, -1 %and = and i32 %a, %not %res = icmp eq i32 %and, 0 ret i1 %res } define i1 @cmp_eq_zero_and_not_ri(i32 %a) { ; ARM-LABEL: cmp_eq_zero_and_not_ri: ; ARM: @ %bb.0: ; ARM-NEXT: bic r0, r0, #42 ; ARM-NEXT: clz r0, r0 ; ARM-NEXT: lsr r0, r0, #5 ; ARM-NEXT: bx lr ; ; THUMB-LABEL: cmp_eq_zero_and_not_ri: ; THUMB: @ %bb.0: ; THUMB-NEXT: movs r1, #42 ; THUMB-NEXT: bics r0, r1 ; THUMB-NEXT: rsbs r1, r0, #0 ; THUMB-NEXT: adcs r0, r1 ; THUMB-NEXT: bx lr ; ; THUMB2-LABEL: cmp_eq_zero_and_not_ri: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: bic r0, r0, #42 ; THUMB2-NEXT: clz r0, r0 ; THUMB2-NEXT: lsrs r0, r0, #5 ; THUMB2-NEXT: bx lr %not = xor i32 42, -1 %and = and i32 %a, %not %res = icmp eq i32 %and, 0 ret i1 %res } define i1 @cmp_eq_zero_and_not_rsr(i32 %a, i32 %b, i32 %c) { ; ARM-LABEL: cmp_eq_zero_and_not_rsr: ; ARM: @ %bb.0: ; ARM-NEXT: bic r0, r0, r1, lsl r2 ; ARM-NEXT: clz r0, r0 ; ARM-NEXT: lsr r0, r0, #5 ; ARM-NEXT: bx lr ; ; THUMB-LABEL: cmp_eq_zero_and_not_rsr: ; THUMB: @ %bb.0: ; THUMB-NEXT: lsls r1, r2 ; THUMB-NEXT: bics r0, r1 ; THUMB-NEXT: rsbs r1, r0, #0 ; THUMB-NEXT: adcs r0, r1 ; THUMB-NEXT: bx lr ; ; THUMB2-LABEL: cmp_eq_zero_and_not_rsr: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: lsls r1, r2 ; THUMB2-NEXT: bics r0, r1 ; THUMB2-NEXT: clz r0, r0 ; THUMB2-NEXT: lsrs r0, r0, #5 ; THUMB2-NEXT: bx lr %sh = shl i32 %b, %c %not = xor i32 %sh, -1 %and = and i32 %not, %a %res = icmp eq i32 %and, 0 ret i1 %res } define i1 @cmp_eq_zero_and_not_rsi(i32 %a, i32 %b) { ; ARM-LABEL: cmp_eq_zero_and_not_rsi: ; ARM: @ %bb.0: ; ARM-NEXT: bic r0, r0, r1, lsr #17 ; ARM-NEXT: clz r0, r0 ; ARM-NEXT: lsr r0, r0, #5 ; ARM-NEXT: bx lr ; ; THUMB-LABEL: cmp_eq_zero_and_not_rsi: ; THUMB: @ %bb.0: ; THUMB-NEXT: lsrs r1, r1, #17 ; THUMB-NEXT: bics r0, r1 ; THUMB-NEXT: rsbs r1, r0, #0 ; THUMB-NEXT: adcs r0, r1 ; THUMB-NEXT: bx lr ; ; THUMB2-LABEL: cmp_eq_zero_and_not_rsi: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: bic.w r0, r0, r1, lsr #17 ; THUMB2-NEXT: clz r0, r0 ; THUMB2-NEXT: lsrs r0, r0, #5 ; THUMB2-NEXT: bx lr %sh = lshr i32 %b, 17 %not = xor i32 %sh, -1 %and = and i32 %not, %a %res = icmp eq i32 %and, 0 ret i1 %res } define i1 @cmp_eq_zero_shl_rr(i32 %a, i32 %b) { ; ARM-LABEL: cmp_eq_zero_shl_rr: ; ARM: @ %bb.0: ; ARM-NEXT: lsl r0, r0, r1 ; ARM-NEXT: clz r0, r0 ; ARM-NEXT: lsr r0, r0, #5 ; ARM-NEXT: bx lr ; ; THUMB-LABEL: cmp_eq_zero_shl_rr: ; THUMB: @ %bb.0: ; THUMB-NEXT: lsls r0, r1 ; THUMB-NEXT: rsbs r1, r0, #0 ; THUMB-NEXT: adcs r0, r1 ; THUMB-NEXT: bx lr ; ; THUMB2-LABEL: cmp_eq_zero_shl_rr: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: lsls r0, r1 ; THUMB2-NEXT: clz r0, r0 ; THUMB2-NEXT: lsrs r0, r0, #5 ; THUMB2-NEXT: bx lr %sh = shl i32 %a, %b %cmp = icmp eq i32 %sh, 0 ret i1 %cmp } define i1 @cmp_eq_zero_shl_ri(i32 %a) { ; ARM-LABEL: cmp_eq_zero_shl_ri: ; ARM: @ %bb.0: ; ARM-NEXT: lsl r0, r0, #7 ; ARM-NEXT: clz r0, r0 ; ARM-NEXT: lsr r0, r0, #5 ; ARM-NEXT: bx lr ; ; THUMB-LABEL: cmp_eq_zero_shl_ri: ; THUMB: @ %bb.0: ; THUMB-NEXT: lsls r1, r0, #7 ; THUMB-NEXT: rsbs r0, r1, #0 ; THUMB-NEXT: adcs r0, r1 ; THUMB-NEXT: bx lr ; ; THUMB2-LABEL: cmp_eq_zero_shl_ri: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: lsls r0, r0, #7 ; THUMB2-NEXT: clz r0, r0 ; THUMB2-NEXT: lsrs r0, r0, #5 ; THUMB2-NEXT: bx lr %sh = shl i32 %a, 7 %cmp = icmp eq i32 %sh, 0 ret i1 %cmp } define i1 @cmp_eq_zero_lshr_rr(i32 %a, i32 %b) { ; ARM-LABEL: cmp_eq_zero_lshr_rr: ; ARM: @ %bb.0: ; ARM-NEXT: lsr r0, r0, r1 ; ARM-NEXT: clz r0, r0 ; ARM-NEXT: lsr r0, r0, #5 ; ARM-NEXT: bx lr ; ; THUMB-LABEL: cmp_eq_zero_lshr_rr: ; THUMB: @ %bb.0: ; THUMB-NEXT: lsrs r0, r1 ; THUMB-NEXT: rsbs r1, r0, #0 ; THUMB-NEXT: adcs r0, r1 ; THUMB-NEXT: bx lr ; ; THUMB2-LABEL: cmp_eq_zero_lshr_rr: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: lsrs r0, r1 ; THUMB2-NEXT: clz r0, r0 ; THUMB2-NEXT: lsrs r0, r0, #5 ; THUMB2-NEXT: bx lr %sh = lshr i32 %a, %b %cmp = icmp eq i32 %sh, 0 ret i1 %cmp } define i1 @cmp_eq_zero_lshr_ri(i32 %a) { ; ARM-LABEL: cmp_eq_zero_lshr_ri: ; ARM: @ %bb.0: ; ARM-NEXT: lsr r0, r0, #7 ; ARM-NEXT: clz r0, r0 ; ARM-NEXT: lsr r0, r0, #5 ; ARM-NEXT: bx lr ; ; THUMB-LABEL: cmp_eq_zero_lshr_ri: ; THUMB: @ %bb.0: ; THUMB-NEXT: lsrs r1, r0, #7 ; THUMB-NEXT: rsbs r0, r1, #0 ; THUMB-NEXT: adcs r0, r1 ; THUMB-NEXT: bx lr ; ; THUMB2-LABEL: cmp_eq_zero_lshr_ri: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: lsrs r0, r0, #7 ; THUMB2-NEXT: clz r0, r0 ; THUMB2-NEXT: lsrs r0, r0, #5 ; THUMB2-NEXT: bx lr %sh = lshr i32 %a, 7 %cmp = icmp eq i32 %sh, 0 ret i1 %cmp } define i1 @cmp_eq_zero_ashr_rr(i32 %a, i32 %b) { ; ARM-LABEL: cmp_eq_zero_ashr_rr: ; ARM: @ %bb.0: ; ARM-NEXT: asr r0, r0, r1 ; ARM-NEXT: clz r0, r0 ; ARM-NEXT: lsr r0, r0, #5 ; ARM-NEXT: bx lr ; ; THUMB-LABEL: cmp_eq_zero_ashr_rr: ; THUMB: @ %bb.0: ; THUMB-NEXT: asrs r0, r1 ; THUMB-NEXT: rsbs r1, r0, #0 ; THUMB-NEXT: adcs r0, r1 ; THUMB-NEXT: bx lr ; ; THUMB2-LABEL: cmp_eq_zero_ashr_rr: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: asrs r0, r1 ; THUMB2-NEXT: clz r0, r0 ; THUMB2-NEXT: lsrs r0, r0, #5 ; THUMB2-NEXT: bx lr %sh = ashr i32 %a, %b %cmp = icmp eq i32 %sh, 0 ret i1 %cmp } define i1 @cmp_eq_zero_ashr_ri(i32 %a) { ; ARM-LABEL: cmp_eq_zero_ashr_ri: ; ARM: @ %bb.0: ; ARM-NEXT: asr r0, r0, #7 ; ARM-NEXT: clz r0, r0 ; ARM-NEXT: lsr r0, r0, #5 ; ARM-NEXT: bx lr ; ; THUMB-LABEL: cmp_eq_zero_ashr_ri: ; THUMB: @ %bb.0: ; THUMB-NEXT: asrs r1, r0, #7 ; THUMB-NEXT: rsbs r0, r1, #0 ; THUMB-NEXT: adcs r0, r1 ; THUMB-NEXT: bx lr ; ; THUMB2-LABEL: cmp_eq_zero_ashr_ri: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: asrs r0, r0, #7 ; THUMB2-NEXT: clz r0, r0 ; THUMB2-NEXT: lsrs r0, r0, #5 ; THUMB2-NEXT: bx lr %sh = ashr i32 %a, 7 %cmp = icmp eq i32 %sh, 0 ret i1 %cmp } declare void @consume(i32 %0); define void @br_on_binop_eq_zero(i32 %a, i32 %b) { ; ARM-LABEL: br_on_binop_eq_zero: ; ARM: @ %bb.0: ; ARM-NEXT: orrs r1, r0, r1 ; ARM-NEXT: bxne lr ; ARM-NEXT: .LBB44_1: @ %true_br ; ARM-NEXT: push {r11, lr} ; ARM-NEXT: bl consume ; ARM-NEXT: pop {r11, lr} ; ARM-NEXT: bx lr ; ; THUMB-LABEL: br_on_binop_eq_zero: ; THUMB: @ %bb.0: ; THUMB-NEXT: push {r7, lr} ; THUMB-NEXT: orrs r1, r0 ; THUMB-NEXT: beq .LBB44_2 ; THUMB-NEXT: @ %bb.1: @ %exit ; THUMB-NEXT: pop {r7, pc} ; THUMB-NEXT: .LBB44_2: @ %true_br ; THUMB-NEXT: bl consume ; THUMB-NEXT: pop {r7, pc} ; ; THUMB2-LABEL: br_on_binop_eq_zero: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: orrs r1, r0 ; THUMB2-NEXT: it ne ; THUMB2-NEXT: bxne lr ; THUMB2-NEXT: .LBB44_1: @ %true_br ; THUMB2-NEXT: push {r7, lr} ; THUMB2-NEXT: bl consume ; THUMB2-NEXT: pop.w {r7, lr} ; THUMB2-NEXT: bx lr %or = or i32 %a, %b %cmp = icmp eq i32 %or, 0 br i1 %cmp, label %true_br, label %exit true_br: call void @consume(i32 %a) br label %exit exit: ret void } define void @br_on_binop_ne_zero(i32 %a, i32 %b) { ; ARM-LABEL: br_on_binop_ne_zero: ; ARM: @ %bb.0: ; ARM-NEXT: orrs r1, r0, r1 ; ARM-NEXT: bxeq lr ; ARM-NEXT: .LBB45_1: @ %true_br ; ARM-NEXT: push {r11, lr} ; ARM-NEXT: bl consume ; ARM-NEXT: pop {r11, lr} ; ARM-NEXT: bx lr ; ; THUMB-LABEL: br_on_binop_ne_zero: ; THUMB: @ %bb.0: ; THUMB-NEXT: push {r7, lr} ; THUMB-NEXT: orrs r1, r0 ; THUMB-NEXT: beq .LBB45_2 ; THUMB-NEXT: @ %bb.1: @ %true_br ; THUMB-NEXT: bl consume ; THUMB-NEXT: .LBB45_2: @ %exit ; THUMB-NEXT: pop {r7, pc} ; ; THUMB2-LABEL: br_on_binop_ne_zero: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: orrs r1, r0 ; THUMB2-NEXT: it eq ; THUMB2-NEXT: bxeq lr ; THUMB2-NEXT: .LBB45_1: @ %true_br ; THUMB2-NEXT: push {r7, lr} ; THUMB2-NEXT: bl consume ; THUMB2-NEXT: pop.w {r7, lr} ; THUMB2-NEXT: bx lr %or = or i32 %a, %b %cmp = icmp ne i32 %or, 0 br i1 %cmp, label %true_br, label %exit true_br: call void @consume(i32 %a) br label %exit exit: ret void } define void @br_on_binop_lt_zero(i32 %a, i32 %b) { ; ARM-LABEL: br_on_binop_lt_zero: ; ARM: @ %bb.0: ; ARM-NEXT: orr r1, r0, r1 ; ARM-NEXT: cmp r1, #0 ; ARM-NEXT: bxhs lr ; ARM-NEXT: .LBB46_1: @ %true_br ; ARM-NEXT: push {r11, lr} ; ARM-NEXT: bl consume ; ARM-NEXT: pop {r11, lr} ; ARM-NEXT: bx lr ; ; THUMB-LABEL: br_on_binop_lt_zero: ; THUMB: @ %bb.0: ; THUMB-NEXT: push {r7, lr} ; THUMB-NEXT: orrs r1, r0 ; THUMB-NEXT: cmp r1, #0 ; THUMB-NEXT: bhs .LBB46_2 ; THUMB-NEXT: @ %bb.1: @ %true_br ; THUMB-NEXT: bl consume ; THUMB-NEXT: .LBB46_2: @ %exit ; THUMB-NEXT: pop {r7, pc} ; ; THUMB2-LABEL: br_on_binop_lt_zero: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: orrs r1, r0 ; THUMB2-NEXT: cmp r1, #0 ; THUMB2-NEXT: it hs ; THUMB2-NEXT: bxhs lr ; THUMB2-NEXT: .LBB46_1: @ %true_br ; THUMB2-NEXT: push {r7, lr} ; THUMB2-NEXT: bl consume ; THUMB2-NEXT: pop.w {r7, lr} ; THUMB2-NEXT: bx lr %or = or i32 %a, %b %cmp = icmp ult i32 %or, 0 br i1 %cmp, label %true_br, label %exit true_br: call void @consume(i32 %a) br label %exit exit: ret void } define void @br_on_binop_eq_imm(i32 %a, i32 %b) { ; ARM-LABEL: br_on_binop_eq_imm: ; ARM: @ %bb.0: ; ARM-NEXT: orr r1, r0, r1 ; ARM-NEXT: cmp r1, #42 ; ARM-NEXT: bxne lr ; ARM-NEXT: .LBB47_1: @ %true_br ; ARM-NEXT: push {r11, lr} ; ARM-NEXT: bl consume ; ARM-NEXT: pop {r11, lr} ; ARM-NEXT: bx lr ; ; THUMB-LABEL: br_on_binop_eq_imm: ; THUMB: @ %bb.0: ; THUMB-NEXT: push {r7, lr} ; THUMB-NEXT: orrs r1, r0 ; THUMB-NEXT: cmp r1, #42 ; THUMB-NEXT: bne .LBB47_2 ; THUMB-NEXT: @ %bb.1: @ %true_br ; THUMB-NEXT: bl consume ; THUMB-NEXT: .LBB47_2: @ %exit ; THUMB-NEXT: pop {r7, pc} ; ; THUMB2-LABEL: br_on_binop_eq_imm: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: orrs r1, r0 ; THUMB2-NEXT: cmp r1, #42 ; THUMB2-NEXT: it ne ; THUMB2-NEXT: bxne lr ; THUMB2-NEXT: .LBB47_1: @ %true_br ; THUMB2-NEXT: push {r7, lr} ; THUMB2-NEXT: bl consume ; THUMB2-NEXT: pop.w {r7, lr} ; THUMB2-NEXT: bx lr %or = or i32 %a, %b %cmp = icmp eq i32 %or, 42 br i1 %cmp, label %true_br, label %exit true_br: call void @consume(i32 %a) br label %exit exit: ret void } define void @br_on_binop_ne_imm(i32 %a, i32 %b) { ; ARM-LABEL: br_on_binop_ne_imm: ; ARM: @ %bb.0: ; ARM-NEXT: orr r1, r0, r1 ; ARM-NEXT: cmp r1, #42 ; ARM-NEXT: bxeq lr ; ARM-NEXT: .LBB48_1: @ %true_br ; ARM-NEXT: push {r11, lr} ; ARM-NEXT: bl consume ; ARM-NEXT: pop {r11, lr} ; ARM-NEXT: bx lr ; ; THUMB-LABEL: br_on_binop_ne_imm: ; THUMB: @ %bb.0: ; THUMB-NEXT: push {r7, lr} ; THUMB-NEXT: orrs r1, r0 ; THUMB-NEXT: cmp r1, #42 ; THUMB-NEXT: beq .LBB48_2 ; THUMB-NEXT: @ %bb.1: @ %true_br ; THUMB-NEXT: bl consume ; THUMB-NEXT: .LBB48_2: @ %exit ; THUMB-NEXT: pop {r7, pc} ; ; THUMB2-LABEL: br_on_binop_ne_imm: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: orrs r1, r0 ; THUMB2-NEXT: cmp r1, #42 ; THUMB2-NEXT: it eq ; THUMB2-NEXT: bxeq lr ; THUMB2-NEXT: .LBB48_1: @ %true_br ; THUMB2-NEXT: push {r7, lr} ; THUMB2-NEXT: bl consume ; THUMB2-NEXT: pop.w {r7, lr} ; THUMB2-NEXT: bx lr %or = or i32 %a, %b %cmp = icmp ne i32 %or, 42 br i1 %cmp, label %true_br, label %exit true_br: call void @consume(i32 %a) br label %exit exit: ret void } define void @br_on_binop_eq_reg(i32 %a, i32 %b, i32 %c) { ; ARM-LABEL: br_on_binop_eq_reg: ; ARM: @ %bb.0: ; ARM-NEXT: eor r1, r0, r1 ; ARM-NEXT: cmp r1, r2 ; ARM-NEXT: bxne lr ; ARM-NEXT: .LBB49_1: @ %true_br ; ARM-NEXT: push {r11, lr} ; ARM-NEXT: bl consume ; ARM-NEXT: pop {r11, lr} ; ARM-NEXT: bx lr ; ; THUMB-LABEL: br_on_binop_eq_reg: ; THUMB: @ %bb.0: ; THUMB-NEXT: push {r7, lr} ; THUMB-NEXT: eors r1, r0 ; THUMB-NEXT: cmp r1, r2 ; THUMB-NEXT: bne .LBB49_2 ; THUMB-NEXT: @ %bb.1: @ %true_br ; THUMB-NEXT: bl consume ; THUMB-NEXT: .LBB49_2: @ %exit ; THUMB-NEXT: pop {r7, pc} ; ; THUMB2-LABEL: br_on_binop_eq_reg: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: eors r1, r0 ; THUMB2-NEXT: cmp r1, r2 ; THUMB2-NEXT: it ne ; THUMB2-NEXT: bxne lr ; THUMB2-NEXT: .LBB49_1: @ %true_br ; THUMB2-NEXT: push {r7, lr} ; THUMB2-NEXT: bl consume ; THUMB2-NEXT: pop.w {r7, lr} ; THUMB2-NEXT: bx lr %xor = xor i32 %a, %b %cmp = icmp eq i32 %xor, %c br i1 %cmp, label %true_br, label %exit true_br: call void @consume(i32 %a) br label %exit exit: ret void } define void @br_on_binop_ne_reg(i32 %a, i32 %b, i32 %c) { ; ARM-LABEL: br_on_binop_ne_reg: ; ARM: @ %bb.0: ; ARM-NEXT: and r1, r0, r1 ; ARM-NEXT: cmp r1, r2 ; ARM-NEXT: bxeq lr ; ARM-NEXT: .LBB50_1: @ %true_br ; ARM-NEXT: push {r11, lr} ; ARM-NEXT: bl consume ; ARM-NEXT: pop {r11, lr} ; ARM-NEXT: bx lr ; ; THUMB-LABEL: br_on_binop_ne_reg: ; THUMB: @ %bb.0: ; THUMB-NEXT: push {r7, lr} ; THUMB-NEXT: ands r1, r0 ; THUMB-NEXT: cmp r1, r2 ; THUMB-NEXT: beq .LBB50_2 ; THUMB-NEXT: @ %bb.1: @ %true_br ; THUMB-NEXT: bl consume ; THUMB-NEXT: .LBB50_2: @ %exit ; THUMB-NEXT: pop {r7, pc} ; ; THUMB2-LABEL: br_on_binop_ne_reg: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: ands r1, r0 ; THUMB2-NEXT: cmp r1, r2 ; THUMB2-NEXT: it eq ; THUMB2-NEXT: bxeq lr ; THUMB2-NEXT: .LBB50_1: @ %true_br ; THUMB2-NEXT: push {r7, lr} ; THUMB2-NEXT: bl consume ; THUMB2-NEXT: pop.w {r7, lr} ; THUMB2-NEXT: bx lr %and = and i32 %a, %b %cmp = icmp ne i32 %and, %c br i1 %cmp, label %true_br, label %exit true_br: call void @consume(i32 %a) br label %exit exit: ret void } define void @br_on_shift_eq_zero(i32 %a, i32 %b) { ; ARM-LABEL: br_on_shift_eq_zero: ; ARM: @ %bb.0: ; ARM-NEXT: lsls r1, r0, r1 ; ARM-NEXT: bxne lr ; ARM-NEXT: .LBB51_1: @ %true_br ; ARM-NEXT: push {r11, lr} ; ARM-NEXT: bl consume ; ARM-NEXT: pop {r11, lr} ; ARM-NEXT: bx lr ; ; THUMB-LABEL: br_on_shift_eq_zero: ; THUMB: @ %bb.0: ; THUMB-NEXT: push {r7, lr} ; THUMB-NEXT: mov r2, r0 ; THUMB-NEXT: lsls r2, r1 ; THUMB-NEXT: beq .LBB51_2 ; THUMB-NEXT: @ %bb.1: @ %exit ; THUMB-NEXT: pop {r7, pc} ; THUMB-NEXT: .LBB51_2: @ %true_br ; THUMB-NEXT: bl consume ; THUMB-NEXT: pop {r7, pc} ; ; THUMB2-LABEL: br_on_shift_eq_zero: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: lsls.w r1, r0, r1 ; THUMB2-NEXT: it ne ; THUMB2-NEXT: bxne lr ; THUMB2-NEXT: .LBB51_1: @ %true_br ; THUMB2-NEXT: push {r7, lr} ; THUMB2-NEXT: bl consume ; THUMB2-NEXT: pop.w {r7, lr} ; THUMB2-NEXT: bx lr %sh = shl i32 %a, %b %cmp = icmp eq i32 %sh, 0 br i1 %cmp, label %true_br, label %exit true_br: call void @consume(i32 %a) br label %exit exit: ret void } define void @br_on_shift_ne_zero(i32 %a, i32 %b) { ; ARM-LABEL: br_on_shift_ne_zero: ; ARM: @ %bb.0: ; ARM-NEXT: lsrs r1, r0, r1 ; ARM-NEXT: bxeq lr ; ARM-NEXT: .LBB52_1: @ %true_br ; ARM-NEXT: push {r11, lr} ; ARM-NEXT: bl consume ; ARM-NEXT: pop {r11, lr} ; ARM-NEXT: bx lr ; ; THUMB-LABEL: br_on_shift_ne_zero: ; THUMB: @ %bb.0: ; THUMB-NEXT: push {r7, lr} ; THUMB-NEXT: mov r2, r0 ; THUMB-NEXT: lsrs r2, r1 ; THUMB-NEXT: beq .LBB52_2 ; THUMB-NEXT: @ %bb.1: @ %true_br ; THUMB-NEXT: bl consume ; THUMB-NEXT: .LBB52_2: @ %exit ; THUMB-NEXT: pop {r7, pc} ; ; THUMB2-LABEL: br_on_shift_ne_zero: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: lsrs.w r1, r0, r1 ; THUMB2-NEXT: it eq ; THUMB2-NEXT: bxeq lr ; THUMB2-NEXT: .LBB52_1: @ %true_br ; THUMB2-NEXT: push {r7, lr} ; THUMB2-NEXT: bl consume ; THUMB2-NEXT: pop.w {r7, lr} ; THUMB2-NEXT: bx lr %sh = lshr i32 %a, %b %cmp = icmp ne i32 %sh, 0 br i1 %cmp, label %true_br, label %exit true_br: call void @consume(i32 %a) br label %exit exit: ret void } define void @br_on_shift_lt_zero(i32 %a, i32 %b) { ; ARM-LABEL: br_on_shift_lt_zero: ; ARM: @ %bb.0: ; ARM-NEXT: asr r1, r0, r1 ; ARM-NEXT: cmp r1, #0 ; ARM-NEXT: bxhs lr ; ARM-NEXT: .LBB53_1: @ %true_br ; ARM-NEXT: push {r11, lr} ; ARM-NEXT: bl consume ; ARM-NEXT: pop {r11, lr} ; ARM-NEXT: bx lr ; ; THUMB-LABEL: br_on_shift_lt_zero: ; THUMB: @ %bb.0: ; THUMB-NEXT: push {r7, lr} ; THUMB-NEXT: mov r2, r0 ; THUMB-NEXT: asrs r2, r1 ; THUMB-NEXT: cmp r2, #0 ; THUMB-NEXT: bhs .LBB53_2 ; THUMB-NEXT: @ %bb.1: @ %true_br ; THUMB-NEXT: bl consume ; THUMB-NEXT: .LBB53_2: @ %exit ; THUMB-NEXT: pop {r7, pc} ; ; THUMB2-LABEL: br_on_shift_lt_zero: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: asr.w r1, r0, r1 ; THUMB2-NEXT: cmp r1, #0 ; THUMB2-NEXT: it hs ; THUMB2-NEXT: bxhs lr ; THUMB2-NEXT: .LBB53_1: @ %true_br ; THUMB2-NEXT: push {r7, lr} ; THUMB2-NEXT: bl consume ; THUMB2-NEXT: pop.w {r7, lr} ; THUMB2-NEXT: bx lr %sh = ashr i32 %a, %b %cmp = icmp ult i32 %sh, 0 br i1 %cmp, label %true_br, label %exit true_br: call void @consume(i32 %a) br label %exit exit: ret void } define void @br_on_shift_eq_imm(i32 %a, i32 %b) { ; ARM-LABEL: br_on_shift_eq_imm: ; ARM: @ %bb.0: ; ARM-NEXT: mov r2, #42 ; ARM-NEXT: cmp r2, r0, lsl r1 ; ARM-NEXT: bxne lr ; ARM-NEXT: .LBB54_1: @ %true_br ; ARM-NEXT: push {r11, lr} ; ARM-NEXT: bl consume ; ARM-NEXT: pop {r11, lr} ; ARM-NEXT: bx lr ; ; THUMB-LABEL: br_on_shift_eq_imm: ; THUMB: @ %bb.0: ; THUMB-NEXT: push {r7, lr} ; THUMB-NEXT: mov r2, r0 ; THUMB-NEXT: lsls r2, r1 ; THUMB-NEXT: cmp r2, #42 ; THUMB-NEXT: bne .LBB54_2 ; THUMB-NEXT: @ %bb.1: @ %true_br ; THUMB-NEXT: bl consume ; THUMB-NEXT: .LBB54_2: @ %exit ; THUMB-NEXT: pop {r7, pc} ; ; THUMB2-LABEL: br_on_shift_eq_imm: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: lsl.w r1, r0, r1 ; THUMB2-NEXT: cmp r1, #42 ; THUMB2-NEXT: it ne ; THUMB2-NEXT: bxne lr ; THUMB2-NEXT: .LBB54_1: @ %true_br ; THUMB2-NEXT: push {r7, lr} ; THUMB2-NEXT: bl consume ; THUMB2-NEXT: pop.w {r7, lr} ; THUMB2-NEXT: bx lr %sh = shl i32 %a, %b %cmp = icmp eq i32 %sh, 42 br i1 %cmp, label %true_br, label %exit true_br: call void @consume(i32 %a) br label %exit exit: ret void } define void @br_on_shift_ne_imm(i32 %a, i32 %b) { ; ARM-LABEL: br_on_shift_ne_imm: ; ARM: @ %bb.0: ; ARM-NEXT: mov r2, #42 ; ARM-NEXT: cmp r2, r0, lsr r1 ; ARM-NEXT: bxeq lr ; ARM-NEXT: .LBB55_1: @ %true_br ; ARM-NEXT: push {r11, lr} ; ARM-NEXT: bl consume ; ARM-NEXT: pop {r11, lr} ; ARM-NEXT: bx lr ; ; THUMB-LABEL: br_on_shift_ne_imm: ; THUMB: @ %bb.0: ; THUMB-NEXT: push {r7, lr} ; THUMB-NEXT: mov r2, r0 ; THUMB-NEXT: lsrs r2, r1 ; THUMB-NEXT: cmp r2, #42 ; THUMB-NEXT: beq .LBB55_2 ; THUMB-NEXT: @ %bb.1: @ %true_br ; THUMB-NEXT: bl consume ; THUMB-NEXT: .LBB55_2: @ %exit ; THUMB-NEXT: pop {r7, pc} ; ; THUMB2-LABEL: br_on_shift_ne_imm: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: lsr.w r1, r0, r1 ; THUMB2-NEXT: cmp r1, #42 ; THUMB2-NEXT: it eq ; THUMB2-NEXT: bxeq lr ; THUMB2-NEXT: .LBB55_1: @ %true_br ; THUMB2-NEXT: push {r7, lr} ; THUMB2-NEXT: bl consume ; THUMB2-NEXT: pop.w {r7, lr} ; THUMB2-NEXT: bx lr %sh = lshr i32 %a, %b %cmp = icmp ne i32 %sh, 42 br i1 %cmp, label %true_br, label %exit true_br: call void @consume(i32 %a) br label %exit exit: ret void } define void @br_on_shift_eq_reg(i32 %a, i32 %b, i32 %c) { ; ARM-LABEL: br_on_shift_eq_reg: ; ARM: @ %bb.0: ; ARM-NEXT: cmp r2, r0, asr r1 ; ARM-NEXT: bxne lr ; ARM-NEXT: .LBB56_1: @ %true_br ; ARM-NEXT: push {r11, lr} ; ARM-NEXT: bl consume ; ARM-NEXT: pop {r11, lr} ; ARM-NEXT: bx lr ; ; THUMB-LABEL: br_on_shift_eq_reg: ; THUMB: @ %bb.0: ; THUMB-NEXT: push {r7, lr} ; THUMB-NEXT: mov r3, r0 ; THUMB-NEXT: asrs r3, r1 ; THUMB-NEXT: cmp r2, r3 ; THUMB-NEXT: bne .LBB56_2 ; THUMB-NEXT: @ %bb.1: @ %true_br ; THUMB-NEXT: bl consume ; THUMB-NEXT: .LBB56_2: @ %exit ; THUMB-NEXT: pop {r7, pc} ; ; THUMB2-LABEL: br_on_shift_eq_reg: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: asr.w r1, r0, r1 ; THUMB2-NEXT: cmp r2, r1 ; THUMB2-NEXT: it ne ; THUMB2-NEXT: bxne lr ; THUMB2-NEXT: .LBB56_1: @ %true_br ; THUMB2-NEXT: push {r7, lr} ; THUMB2-NEXT: bl consume ; THUMB2-NEXT: pop.w {r7, lr} ; THUMB2-NEXT: bx lr %sh = ashr i32 %a, %b %cmp = icmp eq i32 %sh, %c br i1 %cmp, label %true_br, label %exit true_br: call void @consume(i32 %a) br label %exit exit: ret void } define void @br_on_shift_ne_reg(i32 %a, i32 %b, i32 %c) { ; ARM-LABEL: br_on_shift_ne_reg: ; ARM: @ %bb.0: ; ARM-NEXT: cmp r2, r0, lsl r1 ; ARM-NEXT: bxeq lr ; ARM-NEXT: .LBB57_1: @ %true_br ; ARM-NEXT: push {r11, lr} ; ARM-NEXT: bl consume ; ARM-NEXT: pop {r11, lr} ; ARM-NEXT: bx lr ; ; THUMB-LABEL: br_on_shift_ne_reg: ; THUMB: @ %bb.0: ; THUMB-NEXT: push {r7, lr} ; THUMB-NEXT: mov r3, r0 ; THUMB-NEXT: lsls r3, r1 ; THUMB-NEXT: cmp r2, r3 ; THUMB-NEXT: beq .LBB57_2 ; THUMB-NEXT: @ %bb.1: @ %true_br ; THUMB-NEXT: bl consume ; THUMB-NEXT: .LBB57_2: @ %exit ; THUMB-NEXT: pop {r7, pc} ; ; THUMB2-LABEL: br_on_shift_ne_reg: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: lsl.w r1, r0, r1 ; THUMB2-NEXT: cmp r2, r1 ; THUMB2-NEXT: it eq ; THUMB2-NEXT: bxeq lr ; THUMB2-NEXT: .LBB57_1: @ %true_br ; THUMB2-NEXT: push {r7, lr} ; THUMB2-NEXT: bl consume ; THUMB2-NEXT: pop.w {r7, lr} ; THUMB2-NEXT: bx lr %sh = shl i32 %a, %b %cmp = icmp ne i32 %sh, %c br i1 %cmp, label %true_br, label %exit true_br: call void @consume(i32 %a) br label %exit exit: ret void }