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de98cf92e3
This fixes a miscompile when the parameter is actually underaligned. rdar://58316406 Differential revision: https://reviews.llvm.org/D74183
31 lines
583 B
C
31 lines
583 B
C
// Test returning a single element aggregate value containing a double.
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// RUN: %clang_cc1 -triple i686-linux %s -emit-llvm -o - | FileCheck %s --check-prefix=X86_32
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// RUN: %clang_cc1 %s -emit-llvm -o -
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struct X {
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double D;
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};
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struct Y {
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struct X x;
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};
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struct Y bar();
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void foo(struct Y *P) {
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*P = bar();
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}
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struct Y bar() {
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struct Y a;
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a.x.D = 0;
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return a;
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}
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// X86_32: define void @foo(%struct.Y* %P)
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// X86_32: call void @bar(%struct.Y* sret align 4 %{{[^),]*}})
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// X86_32: define void @bar(%struct.Y* noalias sret align 4 %{{[^,)]*}})
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// X86_32: ret void
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