diff options
Diffstat (limited to 'test/CodeGen/X86/setcc.ll')
| -rw-r--r-- | test/CodeGen/X86/setcc.ll | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/test/CodeGen/X86/setcc.ll b/test/CodeGen/X86/setcc.ll index 785a6a9..c37e15d 100644 --- a/test/CodeGen/X86/setcc.ll +++ b/test/CodeGen/X86/setcc.ll @@ -1,4 +1,8 @@ ; RUN: llc < %s -mtriple=x86_64-apple-darwin | FileCheck %s +; rdar://7329206 + +; Use sbb x, x to materialize carry bit in a GPR. The value is either +; all 1's or all 0's. define zeroext i16 @t1(i16 zeroext %x) nounwind readnone ssp { entry: @@ -11,3 +15,22 @@ entry: ret i16 %iftmp.1.0 } +define zeroext i16 @t2(i16 zeroext %x) nounwind readnone ssp { +entry: +; CHECK: t2: +; CHECK: sbbl %eax, %eax +; CHECK: andl $32, %eax + %0 = icmp ult i16 %x, 26 ; <i1> [#uses=1] + %iftmp.0.0 = select i1 %0, i16 32, i16 0 ; <i16> [#uses=1] + ret i16 %iftmp.0.0 +} + +define i64 @t3(i64 %x) nounwind readnone ssp { +entry: +; CHECK: t3: +; CHECK: sbbq %rax, %rax +; CHECK: andq $64, %rax + %0 = icmp ult i64 %x, 18 ; <i1> [#uses=1] + %iftmp.2.0 = select i1 %0, i64 64, i64 0 ; <i64> [#uses=1] + ret i64 %iftmp.2.0 +} |