44 lines
1.9 KiB
LLVM
44 lines
1.9 KiB
LLVM
; RUN: llc -mcpu=pwr7 -ppc-asm-full-reg-names -mtriple=powerpc-- \
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; RUN: -verify-machineinstrs < %s | FileCheck %s
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; RUN: llc -mattr=allow-unaligned-fp-access -ppc-asm-full-reg-names \
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; RUN: -mtriple=powerpc-- -verify-machineinstrs < %s | FileCheck %s
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; RUN: llc -ppc-asm-full-reg-names -mtriple=powerpc-- \
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; RUN: -verify-machineinstrs < %s | FileCheck %s --check-prefix=UNALIGN
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; Test case as provided by author in https://bugs.llvm.org/show_bug.cgi?id=40554
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%struct.anon = type { i32, [5 x i8] }
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@s = dso_local local_unnamed_addr global %struct.anon { i32 0, [5 x i8] c"\00B\F6\E9y" }, align 4
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@.str = private unnamed_addr constant [4 x i8] c"%g\0A\00", align 1
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; Function Attrs: nofree nounwind
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define dso_local i32 @main() local_unnamed_addr {
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; CHECK-LABEL: main:
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; CHECK: lfs f1, 5(r3)
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; CHECK: blr
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;
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; UNALIGN-LABEL: main:
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; UNALIGN: lfs f1, 12(r1)
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; UNALIGN: blr
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entry:
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%0 = load i8, i8* getelementptr inbounds (%struct.anon, %struct.anon* @s, i32 0, i32 1, i32 1), align 1
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%conv = zext i8 %0 to i32
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%shl = shl nuw i32 %conv, 24
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%1 = load i8, i8* getelementptr inbounds (%struct.anon, %struct.anon* @s, i32 0, i32 1, i32 2), align 2
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%conv1 = zext i8 %1 to i32
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%shl2 = shl nuw nsw i32 %conv1, 16
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%add = or i32 %shl2, %shl
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%2 = load i8, i8* getelementptr inbounds (%struct.anon, %struct.anon* @s, i32 0, i32 1, i32 3), align 1
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%conv3 = zext i8 %2 to i32
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%shl4 = shl nuw nsw i32 %conv3, 8
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%add5 = or i32 %add, %shl4
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%3 = load i8, i8* getelementptr inbounds (%struct.anon, %struct.anon* @s, i32 0, i32 1, i32 4), align 4
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%conv6 = zext i8 %3 to i32
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%add7 = or i32 %add5, %conv6
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%4 = bitcast i32 %add7 to float
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%conv8 = fpext float %4 to double
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%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)
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ret i32 0
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}
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; Function Attrs: nofree nounwind
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declare i32 @printf(i8* nocapture readonly, ...) local_unnamed_addr
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