1; RUN: llc -mcpu=pwr7 -ppc-asm-full-reg-names -mtriple=powerpc-- \
2; RUN:   -verify-machineinstrs < %s | FileCheck %s
3; RUN: llc -mattr=allow-unaligned-fp-access -ppc-asm-full-reg-names \
4; RUN:   -mtriple=powerpc-- -verify-machineinstrs < %s | FileCheck %s
5; RUN: llc -ppc-asm-full-reg-names -mtriple=powerpc-- \
6; RUN:   -verify-machineinstrs < %s | FileCheck %s --check-prefix=UNALIGN
7
8; Test case as provided by author in https://bugs.llvm.org/show_bug.cgi?id=40554
9%struct.anon = type { i32, [5 x i8] }
10
11@s = dso_local local_unnamed_addr global %struct.anon { i32 0, [5 x i8] c"\00B\F6\E9y" }, align 4
12@.str = private unnamed_addr constant [4 x i8] c"%g\0A\00", align 1
13; Function Attrs: nofree nounwind
14define dso_local i32 @main() local_unnamed_addr {
15; CHECK-LABEL: main:
16; CHECK:       lfs f1, 5(r3)
17; CHECK:       blr
18;
19; UNALIGN-LABEL: main:
20; UNALIGN:       lfs f1, 12(r1)
21; UNALIGN:       blr
22entry:
23  %0 = load i8, i8* getelementptr inbounds (%struct.anon, %struct.anon* @s, i32 0, i32 1, i32 1), align 1
24  %conv = zext i8 %0 to i32
25  %shl = shl nuw i32 %conv, 24
26  %1 = load i8, i8* getelementptr inbounds (%struct.anon, %struct.anon* @s, i32 0, i32 1, i32 2), align 2
27  %conv1 = zext i8 %1 to i32
28  %shl2 = shl nuw nsw i32 %conv1, 16
29  %add = or i32 %shl2, %shl
30  %2 = load i8, i8* getelementptr inbounds (%struct.anon, %struct.anon* @s, i32 0, i32 1, i32 3), align 1
31  %conv3 = zext i8 %2 to i32
32  %shl4 = shl nuw nsw i32 %conv3, 8
33  %add5 = or i32 %add, %shl4
34  %3 = load i8, i8* getelementptr inbounds (%struct.anon, %struct.anon* @s, i32 0, i32 1, i32 4), align 4
35  %conv6 = zext i8 %3 to i32
36  %add7 = or i32 %add5, %conv6
37  %4 = bitcast i32 %add7 to float
38  %conv8 = fpext float %4 to double
39  %call = tail call i32 (i8*, ...) @printf(i8* nonnull dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i32 0, i32 0), double %conv8)
40  ret i32 0
41}
42; Function Attrs: nofree nounwind
43declare i32 @printf(i8* nocapture readonly, ...) local_unnamed_addr
44