; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s | FileCheck %s target triple = "aarch64-unknown-linux-gnu" ; Ensure we don't attempt to combine into an extending fp128 load. define void @fcvt_v4f64_v4f128(ptr %a, ptr %b) vscale_range(2,0) #0 { ; CHECK-LABEL: fcvt_v4f64_v4f128: ; CHECK: // %bb.0: ; CHECK-NEXT: str x29, [sp, #-32]! // 8-byte Folded Spill ; CHECK-NEXT: stp x30, x19, [sp, #16] // 16-byte Folded Spill ; CHECK-NEXT: sub sp, sp, #48 ; CHECK-NEXT: addvl sp, sp, #-2 ; CHECK-NEXT: ptrue p0.d, vl4 ; CHECK-NEXT: add x8, sp, #48 ; CHECK-NEXT: mov x19, x1 ; CHECK-NEXT: ld1d { z0.d }, p0/z, [x0] ; CHECK-NEXT: str z0, [x8, #1, mul vl] // 16-byte Folded Spill ; CHECK-NEXT: ext z0.b, z0.b, z0.b, #16 ; CHECK-NEXT: str z0, [x8] // 16-byte Folded Spill ; CHECK-NEXT: // kill: def $d0 killed $d0 killed $z0 ; CHECK-NEXT: bl __extenddftf2 ; CHECK-NEXT: add x8, sp, #48 ; CHECK-NEXT: str q0, [sp, #32] // 16-byte Folded Spill ; CHECK-NEXT: ldr z1, [x8] // 16-byte Folded Reload ; CHECK-NEXT: mov d1, v1.d[1] ; CHECK-NEXT: fmov d0, d1 ; CHECK-NEXT: bl __extenddftf2 ; CHECK-NEXT: add x8, sp, #48 ; CHECK-NEXT: str q0, [sp, #16] // 16-byte Folded Spill ; CHECK-NEXT: ldr z0, [x8, #1, mul vl] // 16-byte Folded Reload ; CHECK-NEXT: // kill: def $d0 killed $d0 killed $z0 ; CHECK-NEXT: bl __extenddftf2 ; CHECK-NEXT: add x8, sp, #48 ; CHECK-NEXT: str q0, [sp] // 16-byte Folded Spill ; CHECK-NEXT: ldr z1, [x8, #1, mul vl] // 16-byte Folded Reload ; CHECK-NEXT: mov d1, v1.d[1] ; CHECK-NEXT: fmov d0, d1 ; CHECK-NEXT: bl __extenddftf2 ; CHECK-NEXT: ldr q1, [sp] // 16-byte Folded Reload ; CHECK-NEXT: stp q1, q0, [x19] ; CHECK-NEXT: ldp q1, q0, [sp, #16] // 32-byte Folded Reload ; CHECK-NEXT: stp q0, q1, [x19, #32] ; CHECK-NEXT: addvl sp, sp, #2 ; CHECK-NEXT: add sp, sp, #48 ; CHECK-NEXT: ldp x30, x19, [sp, #16] // 16-byte Folded Reload ; CHECK-NEXT: ldr x29, [sp], #32 // 8-byte Folded Reload ; CHECK-NEXT: ret %op1 = load <4 x double>, ptr %a %res = fpext <4 x double> %op1 to <4 x fp128> store <4 x fp128> %res, ptr %b ret void } ; Ensure we don't attempt to combine into a truncating fp128 store. define void @fcvt_v4f128_v4f64(ptr %a, ptr %b) vscale_range(2,0) #0 { ; CHECK-LABEL: fcvt_v4f128_v4f64: ; CHECK: // %bb.0: ; CHECK-NEXT: str x29, [sp, #-32]! // 8-byte Folded Spill ; CHECK-NEXT: stp x30, x19, [sp, #16] // 16-byte Folded Spill ; CHECK-NEXT: sub sp, sp, #128 ; CHECK-NEXT: addvl sp, sp, #-2 ; CHECK-NEXT: ldp q1, q0, [x0, #64] ; CHECK-NEXT: mov x19, x1 ; CHECK-NEXT: stp q0, q1, [sp, #96] // 32-byte Folded Spill ; CHECK-NEXT: ldp q1, q0, [x0, #96] ; CHECK-NEXT: stp q0, q1, [sp, #64] // 32-byte Folded Spill ; CHECK-NEXT: ldp q1, q0, [x0] ; CHECK-NEXT: stp q0, q1, [sp, #32] // 32-byte Folded Spill ; CHECK-NEXT: ldp q1, q0, [x0, #32] ; CHECK-NEXT: str q1, [sp, #16] // 16-byte Folded Spill ; CHECK-NEXT: bl __trunctfdf2 ; CHECK-NEXT: // kill: def $d0 killed $d0 def $q0 ; CHECK-NEXT: str q0, [sp] // 16-byte Folded Spill ; CHECK-NEXT: ldr q0, [sp, #16] // 16-byte Folded Reload ; CHECK-NEXT: bl __trunctfdf2 ; CHECK-NEXT: ldr q1, [sp] // 16-byte Folded Reload ; CHECK-NEXT: // kill: def $d0 killed $d0 def $z0 ; CHECK-NEXT: add x8, sp, #128 ; CHECK-NEXT: mov v0.d[1], v1.d[0] ; CHECK-NEXT: str z0, [x8, #1, mul vl] // 16-byte Folded Spill ; CHECK-NEXT: ldr q0, [sp, #32] // 16-byte Folded Reload ; CHECK-NEXT: bl __trunctfdf2 ; CHECK-NEXT: // kill: def $d0 killed $d0 def $q0 ; CHECK-NEXT: str q0, [sp, #32] // 16-byte Folded Spill ; CHECK-NEXT: ldr q0, [sp, #48] // 16-byte Folded Reload ; CHECK-NEXT: bl __trunctfdf2 ; CHECK-NEXT: ptrue p0.d, vl2 ; CHECK-NEXT: ldr q1, [sp, #32] // 16-byte Folded Reload ; CHECK-NEXT: // kill: def $d0 killed $d0 def $z0 ; CHECK-NEXT: add x8, sp, #128 ; CHECK-NEXT: mov v0.d[1], v1.d[0] ; CHECK-NEXT: ldr z1, [x8, #1, mul vl] // 16-byte Folded Reload ; CHECK-NEXT: splice z0.d, p0, z0.d, z1.d ; CHECK-NEXT: str z0, [x8, #1, mul vl] // 16-byte Folded Spill ; CHECK-NEXT: ldr q0, [sp, #64] // 16-byte Folded Reload ; CHECK-NEXT: bl __trunctfdf2 ; CHECK-NEXT: // kill: def $d0 killed $d0 def $q0 ; CHECK-NEXT: str q0, [sp, #64] // 16-byte Folded Spill ; CHECK-NEXT: ldr q0, [sp, #80] // 16-byte Folded Reload ; CHECK-NEXT: bl __trunctfdf2 ; CHECK-NEXT: ldr q1, [sp, #64] // 16-byte Folded Reload ; CHECK-NEXT: // kill: def $d0 killed $d0 def $z0 ; CHECK-NEXT: add x8, sp, #128 ; CHECK-NEXT: mov v0.d[1], v1.d[0] ; CHECK-NEXT: str z0, [x8] // 16-byte Folded Spill ; CHECK-NEXT: ldr q0, [sp, #96] // 16-byte Folded Reload ; CHECK-NEXT: bl __trunctfdf2 ; CHECK-NEXT: // kill: def $d0 killed $d0 def $q0 ; CHECK-NEXT: str q0, [sp, #96] // 16-byte Folded Spill ; CHECK-NEXT: ldr q0, [sp, #112] // 16-byte Folded Reload ; CHECK-NEXT: bl __trunctfdf2 ; CHECK-NEXT: ldr q1, [sp, #96] // 16-byte Folded Reload ; CHECK-NEXT: ptrue p1.d, vl2 ; CHECK-NEXT: // kill: def $d0 killed $d0 def $z0 ; CHECK-NEXT: add x8, sp, #128 ; CHECK-NEXT: ptrue p0.d, vl4 ; CHECK-NEXT: mov v0.d[1], v1.d[0] ; CHECK-NEXT: ldr z1, [x8] // 16-byte Folded Reload ; CHECK-NEXT: mov x8, #4 // =0x4 ; CHECK-NEXT: splice z0.d, p1, z0.d, z1.d ; CHECK-NEXT: st1d { z0.d }, p0, [x19, x8, lsl #3] ; CHECK-NEXT: add x8, sp, #128 ; CHECK-NEXT: ldr z0, [x8, #1, mul vl] // 16-byte Folded Reload ; CHECK-NEXT: st1d { z0.d }, p0, [x19] ; CHECK-NEXT: addvl sp, sp, #2 ; CHECK-NEXT: add sp, sp, #128 ; CHECK-NEXT: ldp x30, x19, [sp, #16] // 16-byte Folded Reload ; CHECK-NEXT: ldr x29, [sp], #32 // 8-byte Folded Reload ; CHECK-NEXT: ret %op1 = load <8 x fp128>, ptr %a %res = fptrunc <8 x fp128> %op1 to <8 x double> store <8 x double> %res, ptr %b ret void } attributes #0 = { nounwind "target-features"="+sve" }