1 ; RUN: llc < %s -mtriple=x86_64-apple-darwin | FileCheck %s
2 ; rdar://7329206
4 ; Use sbb x, x to materialize carry bit in a GPR. The value is either
5 ; all 1's or all 0's.
7 define zeroext i16 @t1(i16 zeroext %x) nounwind readnone ssp {
8 entry:
9 ; CHECK-LABEL: t1:
10 ; CHECK: seta %al
11 ; CHECK: movzbl %al, %eax
12 ; CHECK: shll $5, %eax
13 %0 = icmp ugt i16 %x, 26 ; <i1> [#uses=1]
14 %iftmp.1.0 = select i1 %0, i16 32, i16 0 ; <i16> [#uses=1]
15 ret i16 %iftmp.1.0
16 }
18 define zeroext i16 @t2(i16 zeroext %x) nounwind readnone ssp {
19 entry:
20 ; CHECK-LABEL: t2:
21 ; CHECK: sbbl %eax, %eax
22 ; CHECK: andl $32, %eax
23 %0 = icmp ult i16 %x, 26 ; <i1> [#uses=1]
24 %iftmp.0.0 = select i1 %0, i16 32, i16 0 ; <i16> [#uses=1]
25 ret i16 %iftmp.0.0
26 }
28 define i64 @t3(i64 %x) nounwind readnone ssp {
29 entry:
30 ; CHECK-LABEL: t3:
31 ; CHECK: sbbq %rax, %rax
32 ; CHECK: andq $64, %rax
33 %0 = icmp ult i64 %x, 18 ; <i1> [#uses=1]
34 %iftmp.2.0 = select i1 %0, i64 64, i64 0 ; <i64> [#uses=1]
35 ret i64 %iftmp.2.0
36 }