1 ; RUN: llc < %s -mtriple=x86_64-apple-darwin | FileCheck %s
4 ; Use sbb x, x to materialize carry bit in a GPR. The value is either
7 define zeroext i16 @t1(i16 zeroext %x) nounwind readnone ssp {
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]
18 define zeroext i16 @t2(i16 zeroext %x) nounwind readnone ssp {
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]
28 define i64 @t3(i64 %x) nounwind readnone ssp {
31 ; CHECK: sbbq %rax, %rax
32 ; CHECK: andl $64, %eax
33 %0 = icmp ult i64 %x, 18 ; <i1> [#uses=1]
34 %iftmp.2.0 = select i1 %0, i64 64, i64 0 ; <i64> [#uses=1]
38 @v4 = common global i32 0, align 4
40 define i32 @t4(i32 %a) {
43 ; CHECK: movq _v4@GOTPCREL(%rip), %rax
44 ; CHECK: cmpl $1, (%rax)
45 ; CHECK: sbbl %eax, %eax
46 ; CHECK: andl $32768, %eax
47 ; CHECK: leal 65536(%rax,%rax), %eax
48 %0 = load i32, i32* @v4, align 4
49 %not.tobool = icmp eq i32 %0, 0
50 %conv.i = sext i1 %not.tobool to i16
51 %call.lobit = lshr i16 %conv.i, 15
52 %add.i.1 = add nuw nsw i16 %call.lobit, 1
53 %conv4.2 = zext i16 %add.i.1 to i32
54 %add = shl nuw nsw i32 %conv4.2, 16