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test: FileCheck'ize and document test. 

llvm-svn: 116799
This commit is contained in:
Michael J. Spencer 2010-10-19 06:39:49 +00:00
parent f5a1fbcdf3
commit 8d3f5db7e5
1 changed files with 12 additions and 8 deletions
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20
clang/test/CodeGen/struct-passing.c
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@ -1,11 +1,8 @@
// RUN: %clang_cc1 -triple i386-pc-linux-gnu -emit-llvm -o %t %s
// RUN: grep 'declare i32 @f0() readnone' %t
// RUN: grep 'declare i32 @f1() readonly' %t
// RUN: grep 'declare void @f2(.* sret)' %t
// RUN: grep 'declare void @f3(.* sret)' %t
// RUN: grep 'declare void @f4(.* byval)' %t
// RUN: grep 'declare void @f5(.* byval)' %t
// PR3835
// This verifies that structs returned from functions by value are passed
// correctly according to their attributes and the ABI.
// SEE: PR3835
// RUN: %clang_cc1 -triple i386-unknown-unknown -emit-llvm %s -o - | FileCheck %s
typedef int T0;
typedef struct { int a[16]; } T1;
@ -18,3 +15,10 @@ void __attribute__((const)) f4(T1 a);
void __attribute__((pure)) f5(T1 a);
void *ps[] = { f0, f1, f2, f3, f4, f5 };
// CHECK: declare i32 @f0() readnone
// CHECK: declare i32 @f1() readonly
// CHECK: declare void @f2({{.*}} sret)
// CHECK: declare void @f3({{.*}} sret)
// CHECK: declare void @f4({{.*}} byval)
// CHECK: declare void @f5({{.*}} byval)