1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s
4 define i32 @select_0_or_1(i1 %cond) {
5 ; CHECK-LABEL: select_0_or_1:
7 ; CHECK-NEXT: notb %dil
8 ; CHECK-NEXT: movzbl %dil, %eax
9 ; CHECK-NEXT: andl $1, %eax
12 %sel = select i1 %cond, i32 0, i32 1
16 define i32 @select_0_or_1_zeroext(i1 zeroext %cond) {
17 ; CHECK-LABEL: select_0_or_1_zeroext:
19 ; CHECK-NEXT: xorb $1, %dil
20 ; CHECK-NEXT: movzbl %dil, %eax
23 %sel = select i1 %cond, i32 0, i32 1
27 define i32 @select_1_or_0(i1 %cond) {
28 ; CHECK-LABEL: select_1_or_0:
30 ; CHECK-NEXT: andl $1, %edi
31 ; CHECK-NEXT: movl %edi, %eax
34 %sel = select i1 %cond, i32 1, i32 0
38 define i32 @select_1_or_0_zeroext(i1 zeroext %cond) {
39 ; CHECK-LABEL: select_1_or_0_zeroext:
41 ; CHECK-NEXT: movzbl %dil, %eax
44 %sel = select i1 %cond, i32 1, i32 0
48 define i32 @select_0_or_neg1(i1 %cond) {
49 ; CHECK-LABEL: select_0_or_neg1:
51 ; CHECK-NEXT: # kill: %EDI<def> %EDI<kill> %RDI<def>
52 ; CHECK-NEXT: andl $1, %edi
53 ; CHECK-NEXT: leal -1(%rdi), %eax
56 %sel = select i1 %cond, i32 0, i32 -1
60 define i32 @select_0_or_neg1_zeroext(i1 zeroext %cond) {
61 ; CHECK-LABEL: select_0_or_neg1_zeroext:
63 ; CHECK-NEXT: movzbl %dil, %eax
64 ; CHECK-NEXT: decl %eax
67 %sel = select i1 %cond, i32 0, i32 -1
71 define i32 @select_neg1_or_0(i1 %cond) {
72 ; CHECK-LABEL: select_neg1_or_0:
74 ; CHECK-NEXT: xorl %ecx, %ecx
75 ; CHECK-NEXT: testb $1, %dil
76 ; CHECK-NEXT: movl $-1, %eax
77 ; CHECK-NEXT: cmovel %ecx, %eax
80 %sel = select i1 %cond, i32 -1, i32 0
84 define i32 @select_neg1_or_0_zeroext(i1 zeroext %cond) {
85 ; CHECK-LABEL: select_neg1_or_0_zeroext:
87 ; CHECK-NEXT: xorl %ecx, %ecx
88 ; CHECK-NEXT: testb %dil, %dil
89 ; CHECK-NEXT: movl $-1, %eax
90 ; CHECK-NEXT: cmovel %ecx, %eax
93 %sel = select i1 %cond, i32 -1, i32 0
97 define i64 @select_2_or_inc(i64 %x) {
98 ; CHECK-LABEL: select_2_or_inc:
100 ; CHECK-NEXT: leaq 1(%rdi), %rax
101 ; CHECK-NEXT: cmpq $2, %rdi
102 ; CHECK-NEXT: cmoveq %rdi, %rax
105 %cmp = icmp eq i64 %x, 2
107 %retval.0 = select i1 %cmp, i64 2, i64 %add