46 lines
1.3 KiB
LLVM
46 lines
1.3 KiB
LLVM
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; RUN: llc -march=hexagon -mcpu=hexagonv65 < %s | FileCheck %s
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; REQUIRES: hexagon
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; C file was:
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; struct S { char b; long long a; };
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; void foo(int x, struct S arg1);
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; void bar() {
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; struct S s;
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; s.b = 'a';
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; foo(42, s);
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;}
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;
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; Test that while passing a 7-byte struct on the stack, the
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; size of the struct is 16 bytes including padding since its
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; largest member is of type long long. This was being handled
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; correctly but is a sanity check against any potential future
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; regressions.
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;
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; CHECK: memd(r{{[0-9]+}}+#8) =
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; CHECK: memd(r{{[0-9]+}}+#0) =
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%struct.S = type { i8, i64 }
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; Function Attrs: nounwind
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define dso_local void @bar() local_unnamed_addr #0 {
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entry:
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%s = alloca %struct.S, align 8
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%0 = getelementptr inbounds %struct.S, %struct.S* %s, i32 0, i32 0
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call void @llvm.lifetime.start.p0i8(i64 16, i8* nonnull %0) #3
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store i8 97, i8* %0, align 8
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tail call void @foo(i32 42, %struct.S* nonnull byval(%struct.S) align 8 %s) #3
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call void @llvm.lifetime.end.p0i8(i64 16, i8* nonnull %0) #3
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ret void
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}
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; Function Attrs: argmemonly nounwind willreturn
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declare void @llvm.lifetime.start.p0i8(i64 immarg, i8* nocapture) #1
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declare dso_local void @foo(i32, %struct.S* byval(%struct.S) align 8) local_unnamed_addr #2
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; Function Attrs: argmemonly nounwind willreturn
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declare void @llvm.lifetime.end.p0i8(i64 immarg, i8* nocapture) #1
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