forked from OSchip/llvm-project
29 lines
991 B
C
29 lines
991 B
C
// This verifies that structs returned from functions by value are passed
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// correctly according to their attributes and the ABI.
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// SEE: PR3835
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// RUN: %clang_cc1 -triple i386-unknown-unknown -emit-llvm %s -o - | FileCheck %s
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typedef int T0;
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typedef struct { int a[16]; } T1;
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T0 __attribute__((const)) f0(void);
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T0 __attribute__((pure)) f1(void);
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T1 __attribute__((const)) f2(void);
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T1 __attribute__((pure)) f3(void);
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void __attribute__((const)) f4(T1 a);
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void __attribute__((pure)) f5(T1 a);
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void *ps[] = { f0, f1, f2, f3, f4, f5 };
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// CHECK: declare i32 @f0() #0
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// CHECK: declare i32 @f1() #1
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// CHECK: declare void @f2({{.*}} sret)
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// CHECK: declare void @f3({{.*}} sret)
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// CHECK: declare void @f4({{.*}} byval align 4)
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// CHECK: declare void @f5({{.*}} byval align 4)
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// CHECK: attributes #0 = { nounwind readnone "target-features"={{.*}} }
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// CHECK: attributes #1 = { nounwind readonly "target-features"={{.*}} }
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// CHECK: attributes #2 = { nounwind "target-features"={{.*}} }
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