llvm/test/FrontendC/2010-05-26-AsmSideEffect.c
Bob Wilson cdef41a6b4 Add a test for llvm-gcc svn r104726.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104805 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-27 05:30:36 +00:00

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C

// RUN: %llvmgcc %s -S -emit-llvm -o - | FileCheck %s
// Radar 8026855
int test (void *src) {
register int w0 asm ("0");
// CHECK: call i32 asm sideeffect
asm ("ldr %0, [%1]": "=r" (w0): "r" (src));
// The asm to read the value of w0 has a sideeffect for a different reason
// (see 2010-05-18-asmsched.c) but that's not what this is testing for.
// CHECK: call i32 asm
return w0;
}