; 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:
-; CHECK: t1:
+; CHECK-LABEL: t1:
; CHECK: seta %al
; CHECK: movzbl %al, %eax
; CHECK: shll $5, %eax
ret i16 %iftmp.1.0
}
+define zeroext i16 @t2(i16 zeroext %x) nounwind readnone ssp {
+entry:
+; CHECK-LABEL: 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-LABEL: 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
+}