teak-llvm/clang/test/CodeGen/struct-passing.c
Chris Lattner 9cffdf1331 don't slap noalias attribute on stret result arguments.
This mirror's Dan's patch for llvm-gcc in r97989, and
fixes the miscompilation in PR6525.  There is some contention
over whether this is the right thing to do, but it is the
conservative answer and demonstrably fixes a miscompilation.

llvm-svn: 101877
2010-04-20 05:44:43 +00:00

21 lines
660 B
C

// 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
typedef int T0;
typedef struct { int a[16]; } T1;
T0 __attribute__((const)) f0(void);
T0 __attribute__((pure)) f1(void);
T1 __attribute__((const)) f2(void);
T1 __attribute__((pure)) f3(void);
void __attribute__((const)) f4(T1 a);
void __attribute__((pure)) f5(T1 a);
void *ps[] = { f0, f1, f2, f3, f4, f5 };