diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/X86/add-of-carry.ll | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/test/CodeGen/X86/add-of-carry.ll b/test/CodeGen/X86/add-of-carry.ll new file mode 100644 index 0000000000..4c2257494d --- /dev/null +++ b/test/CodeGen/X86/add-of-carry.ll @@ -0,0 +1,14 @@ +; RUN: llc < %s -march=x86 | FileCheck %s +; <rdar://problem/8449754> + +define i32 @add32carry(i32 %sum, i32 %x) nounwind readnone ssp { +entry: +; CHECK: sbbl %ecx, %ecx +; CHECK-NOT: addl +; CHECK: subl %ecx, %eax + %add4 = add i32 %x, %sum + %cmp = icmp ult i32 %add4, %x + %inc = zext i1 %cmp to i32 + %z.0 = add i32 %add4, %inc + ret i32 %z.0 +} |