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The itanium environment follows the system calling convention for structures. Pass small aggregates via registers. llvm-svn: 222680
43 lines
779 B
C
43 lines
779 B
C
// RUN: %clang_cc1 -triple i686-windows-itanium -emit-llvm -o - %s | FileCheck %s
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struct f1 {
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float f;
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};
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struct f1 return_f1(void) { while (1); }
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// CHECK: define i32 @return_f1()
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void receive_f1(struct f1 a0) { }
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// CHECK: define void @receive_f1(%struct.f1* byval align 4 %a0)
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struct f2 {
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float f;
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float g;
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};
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struct f2 return_f2(void) { while (1); }
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// CHECK: define i64 @return_f2()
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void receive_f2(struct f2 a0) { }
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// CHECK: define void @receive_f2(%struct.f2* byval align 4 %a0)
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struct f4 {
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float f;
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float g;
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float h;
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float i;
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};
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struct f4 return_f4(void) { while (1); }
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// CHECK: define void @return_f4(%struct.f4* noalias sret %agg.result)
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void receive_f4(struct f4 a0) { }
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// CHECK: define void @receive_f4(%struct.f4* byval align 4 %a0)
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