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
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] }
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
14 define dso_local i32 @main() local_unnamed_addr {
16 ; CHECK: lfs f1, 5(r3)
19 ; UNALIGN-LABEL: main:
20 ; UNALIGN: lfs f1, 12(r1)
23 %0 = load i8, ptr getelementptr inbounds (%struct.anon, ptr @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, ptr getelementptr inbounds (%struct.anon, ptr @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, ptr getelementptr inbounds (%struct.anon, ptr @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, ptr getelementptr inbounds (%struct.anon, ptr @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 (ptr, ...) @printf(ptr nonnull dereferenceable(1) @.str, double %conv8)
42 ; Function Attrs: nofree nounwind
43 declare i32 @printf(ptr nocapture readonly, ...) local_unnamed_addr