; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: opt -mtriple=aarch64-linux-gnu -passes=typepromotion < %s | llc -mtriple=aarch64-linux-gnu -o - | FileCheck %s target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128" %struct.bar = type { %struct.foo } %struct.foo = type { ptr } %struct.wobble = type { ptr } %struct.zot = type <{ %struct.wobble, ptr, ptr, i8, [7 x i8] }> @global = external global %struct.bar, align 8 define i64 @bfis_in_loop_zero() { ; CHECK-LABEL: bfis_in_loop_zero: ; CHECK: // %bb.0: // %entry ; CHECK-NEXT: adrp x8, :got:global ; CHECK-NEXT: mov x0, xzr ; CHECK-NEXT: mov w9, wzr ; CHECK-NEXT: ldr x8, [x8, :got_lo12:global] ; CHECK-NEXT: ldr x8, [x8] ; CHECK-NEXT: .LBB0_1: // %midblock ; CHECK-NEXT: // =>This Inner Loop Header: Depth=1 ; CHECK-NEXT: ldrh w10, [x8, #72] ; CHECK-NEXT: ldr x13, [x8, #8] ; CHECK-NEXT: lsr w11, w10, #8 ; CHECK-NEXT: cmp w10, #0 ; CHECK-NEXT: ldr x8, [x13, #16] ; CHECK-NEXT: cset w12, ne ; CHECK-NEXT: csel w9, w9, w11, eq ; CHECK-NEXT: and x11, x0, #0xffffffff00000000 ; CHECK-NEXT: bfi w10, w9, #8, #24 ; CHECK-NEXT: orr x11, x11, x12, lsl #16 ; CHECK-NEXT: orr x0, x11, x10 ; CHECK-NEXT: cbnz x13, .LBB0_1 ; CHECK-NEXT: // %bb.2: // %exit ; CHECK-NEXT: ret entry: %var = load ptr, ptr @global, align 8 br label %preheader preheader: br label %header header: ; preds = %bb63, %bb %var4 = phi i64 [ %var30, %latch ], [ 0, %preheader ] %var5 = phi ptr [ %var38, %latch ], [ %var, %preheader ] %var6 = phi i8 [ %var21, %latch ], [ 0, %preheader ] br label %midblock midblock: ; preds = %bb9 %var15 = getelementptr inbounds %struct.wobble, ptr %var5, i64 9 %var17 = load i16, ptr %var15, align 8 %var18 = icmp eq i16 %var17, 0 %var19 = lshr i16 %var17, 8 %var20 = trunc i16 %var19 to i8 %var21 = select i1 %var18, i8 %var6, i8 %var20 %var22 = zext i8 %var21 to i16 %var23 = shl nuw i16 %var22, 8 %var24 = and i16 %var17, 255 %var25 = or i16 %var23, %var24 %var26 = select i1 %var18, i64 0, i64 65536 %var27 = zext i16 %var25 to i64 %var28 = and i64 %var4, -4294967296 %var29 = or i64 %var26, %var28 %var30 = or i64 %var29, %var27 br label %latch latch: ; preds = %bb14, %bb9 %var34 = getelementptr inbounds %struct.wobble, ptr %var5, i64 1, i32 0 %var35 = load ptr, ptr %var34, align 8 %var36 = icmp eq ptr %var35, null %var37 = getelementptr inbounds %struct.zot, ptr %var35, i64 0, i32 2 %var38 = load ptr, ptr %var37, align 8 br i1 %var36, label %exit, label %header exit: ret i64 %var30 } define i64 @bfis_in_loop_undef() { ; CHECK-LABEL: bfis_in_loop_undef: ; CHECK: // %bb.0: // %entry ; CHECK-NEXT: adrp x9, :got:global ; CHECK-NEXT: mov w8, wzr ; CHECK-NEXT: // implicit-def: $x0 ; CHECK-NEXT: ldr x9, [x9, :got_lo12:global] ; CHECK-NEXT: ldr x9, [x9] ; CHECK-NEXT: .LBB1_1: // %midblock ; CHECK-NEXT: // =>This Inner Loop Header: Depth=1 ; CHECK-NEXT: ldrh w10, [x9, #72] ; CHECK-NEXT: ldr x13, [x9, #8] ; CHECK-NEXT: lsr w11, w10, #8 ; CHECK-NEXT: cmp w10, #0 ; CHECK-NEXT: ldr x9, [x13, #16] ; CHECK-NEXT: cset w12, ne ; CHECK-NEXT: csel w8, w8, w11, eq ; CHECK-NEXT: and x11, x0, #0xffffffff00000000 ; CHECK-NEXT: bfi w10, w8, #8, #24 ; CHECK-NEXT: orr x11, x11, x12, lsl #16 ; CHECK-NEXT: orr x0, x11, x10 ; CHECK-NEXT: cbnz x13, .LBB1_1 ; CHECK-NEXT: // %bb.2: // %exit ; CHECK-NEXT: ret entry: %var = load ptr, ptr @global, align 8 br label %preheader preheader: br label %header header: ; preds = %bb63, %bb %var4 = phi i64 [ %var30, %latch ], [ undef, %preheader ] %var5 = phi ptr [ %var38, %latch ], [ %var, %preheader ] %var6 = phi i8 [ %var21, %latch ], [ undef, %preheader ] br label %midblock midblock: ; preds = %bb9 %var15 = getelementptr inbounds %struct.wobble, ptr %var5, i64 9 %var17 = load i16, ptr %var15, align 8 %var18 = icmp eq i16 %var17, 0 %var19 = lshr i16 %var17, 8 %var20 = trunc i16 %var19 to i8 %var21 = select i1 %var18, i8 %var6, i8 %var20 %var22 = zext i8 %var21 to i16 %var23 = shl nuw i16 %var22, 8 %var24 = and i16 %var17, 255 %var25 = or i16 %var23, %var24 %var26 = select i1 %var18, i64 0, i64 65536 %var27 = zext i16 %var25 to i64 %var28 = and i64 %var4, -4294967296 %var29 = or i64 %var26, %var28 %var30 = or i64 %var29, %var27 br label %latch latch: ; preds = %bb14, %bb9 %var34 = getelementptr inbounds %struct.wobble, ptr %var5, i64 1, i32 0 %var35 = load ptr, ptr %var34, align 8 %var36 = icmp eq ptr %var35, null %var37 = getelementptr inbounds %struct.zot, ptr %var35, i64 0, i32 2 %var38 = load ptr, ptr %var37, align 8 br i1 %var36, label %exit, label %header exit: ret i64 %var30 }