diff options
Diffstat (limited to 'test/CodeGen/X86/inline-asm-flag-clobber.ll')
| -rw-r--r-- | test/CodeGen/X86/inline-asm-flag-clobber.ll | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/test/CodeGen/X86/inline-asm-flag-clobber.ll b/test/CodeGen/X86/inline-asm-flag-clobber.ll new file mode 100644 index 000000000000..3c536b716f62 --- /dev/null +++ b/test/CodeGen/X86/inline-asm-flag-clobber.ll @@ -0,0 +1,17 @@ +; RUN: llvm-as < %s | llc -march=x86-64 | %prcontext test 1 | grep j +; PR3701 + +define i64 @t(i64* %arg) nounwind { + br i1 true, label %1, label %5 + +; <label>:1 ; preds = %0 + %2 = icmp eq i64* null, %arg ; <i1> [#uses=1] + %3 = tail call i64* asm sideeffect "movl %fs:0,$0", "=r,~{dirflag},~{fpsr},~{flags}"() nounwind ; <%struct.thread*> [#uses=0] + br i1 %2, label %4, label %5 + +; <label>:4 ; preds = %1 + ret i64 1 + +; <label>:5 ; preds = %1 + ret i64 0 +} |