diff options
author | Eric Christopher <echristo@apple.com> | 2011-07-26 22:17:02 +0000 |
---|---|---|
committer | Eric Christopher <echristo@apple.com> | 2011-07-26 22:17:02 +0000 |
commit | 85e5156598b1bbad0ae41cf4d0d5b845dd655ffd (patch) | |
tree | 8e736c3910a6382135cfa8b92e760e6e64a72ac3 /clang/test/CodeGen/asm-reg-var-local.c | |
parent | 2dfed48caea09e0654b33a76cd9ff501c00ff7ec (diff) | |
download | bcm5719-llvm-85e5156598b1bbad0ae41cf4d0d5b845dd655ffd.tar.gz bcm5719-llvm-85e5156598b1bbad0ae41cf4d0d5b845dd655ffd.zip |
Migrate most of the rest of test/FrontendC from llvm and migrate
most of them to FileCheck.
llvm-svn: 136159
Diffstat (limited to 'clang/test/CodeGen/asm-reg-var-local.c')
-rw-r--r-- | clang/test/CodeGen/asm-reg-var-local.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/clang/test/CodeGen/asm-reg-var-local.c b/clang/test/CodeGen/asm-reg-var-local.c new file mode 100644 index 00000000000..435df2f7036 --- /dev/null +++ b/clang/test/CodeGen/asm-reg-var-local.c @@ -0,0 +1,24 @@ +// RUN: %clang_cc1 %s -triple x86_64-apple-darwin -emit-llvm -o - | FileCheck %s +// Exercise various use cases for local asm "register variables". + +int foo() { +// CHECK: %a = alloca i32 + + register int a asm("rsi")=5; +// CHECK: store i32 5, i32* %a + + asm volatile("; %0 This asm defines rsi" : "=r"(a)); +// CHECK: %0 = call i32 asm sideeffect "; $0 This asm defines rsi", "={rsi},~{dirflag},~{fpsr},~{flags}"() +// CHECK: store i32 %0, i32* %a + + a = 42; +// CHECK: store i32 42, i32* %a + + asm volatile("; %0 This asm uses rsi" : : "r"(a)); +// CHECK: %tmp = load i32* %a +// CHECK: call void asm sideeffect "; $0 This asm uses rsi", "{rsi},~{dirflag},~{fpsr},~{flags}"(i32 %tmp) + + return a; +// CHECK: %tmp1 = load i32* %a +// CHECK: ret i32 %tmp1 +} |