diff options
| author | dim <dim@FreeBSD.org> | 2013-04-08 18:41:23 +0000 |
|---|---|---|
| committer | dim <dim@FreeBSD.org> | 2013-04-08 18:41:23 +0000 |
| commit | 169d2bd06003c39970bc94c99669a34b61bb7e45 (patch) | |
| tree | 06099edc18d30894081a822b756f117cbe0b8207 /test/CodeGen/Generic/inline-asm-mem-clobber.ll | |
| parent | 0ac5f94c68a3d8fbd1380dbba26d891ea7816b5e (diff) | |
| download | FreeBSD-src-169d2bd06003c39970bc94c99669a34b61bb7e45.zip FreeBSD-src-169d2bd06003c39970bc94c99669a34b61bb7e45.tar.gz | |
Vendor import of llvm trunk r178860:
http://llvm.org/svn/llvm-project/llvm/trunk@178860
Diffstat (limited to 'test/CodeGen/Generic/inline-asm-mem-clobber.ll')
| -rw-r--r-- | test/CodeGen/Generic/inline-asm-mem-clobber.ll | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/test/CodeGen/Generic/inline-asm-mem-clobber.ll b/test/CodeGen/Generic/inline-asm-mem-clobber.ll new file mode 100644 index 0000000..e523d03 --- /dev/null +++ b/test/CodeGen/Generic/inline-asm-mem-clobber.ll @@ -0,0 +1,21 @@ +; RUN: llc -O2 < %s | FileCheck %s + +@G = common global i32 0, align 4 + +define i32 @foo(i8* %p) nounwind uwtable { +entry: + %p.addr = alloca i8*, align 8 + %rv = alloca i32, align 4 + store i8* %p, i8** %p.addr, align 8 + store i32 0, i32* @G, align 4 + %0 = load i8** %p.addr, align 8 +; CHECK: blah + %1 = call i32 asm "blah", "=r,r,~{memory}"(i8* %0) nounwind +; CHECK: @G + store i32 %1, i32* %rv, align 4 + %2 = load i32* %rv, align 4 + %3 = load i32* @G, align 4 + %add = add nsw i32 %2, %3 + ret i32 %add +} + |
