1 ; RUN: llc < %s -mtriple=x86_64-apple-darwin10 | FileCheck %s
6 define i32 @test1(%0* %p, %0* %q, i1 %r) nounwind {
9 %t4 = select i1 %r, %0 %t0, %0 %t1
10 %t5 = extractvalue %0 %t4, 1
13 ; CHECK: cmovneq %rdi, %rsi
14 ; CHECK: movl (%rsi), %eax
19 define i32 @test2() nounwind {
21 %tmp73 = tail call i1 @return_false() ; <i8> [#uses=1]
22 %g.0 = select i1 %tmp73, i16 0, i16 -480 ; <i16> [#uses=2]
23 %tmp7778 = sext i16 %g.0 to i32 ; <i32> [#uses=1]
24 %tmp80 = shl i32 %tmp7778, 3 ; <i32> [#uses=2]
25 %tmp87 = icmp sgt i32 %tmp80, 32767 ; <i1> [#uses=1]
26 br i1 %tmp87, label %bb90, label %bb91
27 bb90: ; preds = %bb84, %bb72
36 declare i1 @return_false()
39 ;; Select between two floating point constants.
40 define float @test3(i32 %x) nounwind readnone {
42 %0 = icmp eq i32 %x, 0 ; <i1> [#uses=1]
43 %iftmp.0.0 = select i1 %0, float 4.200000e+01, float 2.300000e+01 ; <float> [#uses=1]
46 ; CHECK: movss {{.*}},4), %xmm0
49 define signext i8 @test4(i8* nocapture %P, double %F) nounwind readonly {
51 %0 = fcmp olt double %F, 4.200000e+01 ; <i1> [#uses=1]
52 %iftmp.0.0 = select i1 %0, i32 4, i32 0 ; <i32> [#uses=1]
53 %1 = getelementptr i8* %P, i32 %iftmp.0.0 ; <i8*> [#uses=1]
54 %2 = load i8* %1, align 1 ; <i8> [#uses=1]
57 ; CHECK: movsbl ({{.*}},4), %eax
60 define void @test5(i1 %c, <2 x i16> %a, <2 x i16> %b, <2 x i16>* %p) nounwind {
61 %x = select i1 %c, <2 x i16> %a, <2 x i16> %b
62 store <2 x i16> %x, <2 x i16>* %p
67 define void @test6(i32 %C, <4 x float>* %A, <4 x float>* %B) nounwind {
68 %tmp = load <4 x float>* %A ; <<4 x float>> [#uses=1]
69 %tmp3 = load <4 x float>* %B ; <<4 x float>> [#uses=2]
70 %tmp9 = fmul <4 x float> %tmp3, %tmp3 ; <<4 x float>> [#uses=1]
71 %tmp.upgrd.1 = icmp eq i32 %C, 0 ; <i1> [#uses=1]
72 %iftmp.38.0 = select i1 %tmp.upgrd.1, <4 x float> %tmp9, <4 x float> %tmp ; <<4 x float>> [#uses=1]
73 store <4 x float> %iftmp.38.0, <4 x float>* %A
75 ; Verify that the fmul gets sunk into the one part of the diamond where it is
85 define x86_fp80 @test7(i32 %tmp8) nounwind {
86 %tmp9 = icmp sgt i32 %tmp8, -1 ; <i1> [#uses=1]
87 %retval = select i1 %tmp9, x86_fp80 0xK4005B400000000000000, x86_fp80 0xK40078700000000000000
91 ; CHECK: fldt (%r{{.}}x,%r{{.}}x)
94 ; widening select v6i32 and then a sub
95 define void @test8(i1 %c, <6 x i32>* %dst.addr, <6 x i32> %src1,<6 x i32> %src2) nounwind {
96 %x = select i1 %c, <6 x i32> %src1, <6 x i32> %src2
97 %val = sub <6 x i32> %x, < i32 1, i32 1, i32 1, i32 1, i32 1, i32 1 >
98 store <6 x i32> %val, <6 x i32>* %dst.addr
105 ;; Test integer select between values and constants.
107 define i64 @test9(i64 %x, i64 %y) nounwind readnone ssp noredzone {
108 %cmp = icmp ne i64 %x, 0
109 %cond = select i1 %cmp, i64 %y, i64 -1
112 ; CHECK: cmpq $1, %rdi
113 ; CHECK: sbbq %rax, %rax
114 ; CHECK: orq %rsi, %rax
119 define i64 @test9a(i64 %x, i64 %y) nounwind readnone ssp noredzone {
120 %cmp = icmp eq i64 %x, 0
121 %cond = select i1 %cmp, i64 -1, i64 %y
124 ; CHECK: cmpq $1, %rdi
125 ; CHECK: sbbq %rax, %rax
126 ; CHECK: orq %rsi, %rax
130 define i64 @test9b(i64 %x, i64 %y) nounwind readnone ssp noredzone {
131 %cmp = icmp eq i64 %x, 0
132 %A = sext i1 %cmp to i64
133 %cond = or i64 %y, %A
136 ; CHECK: cmpq $1, %rdi
137 ; CHECK: sbbq %rax, %rax
138 ; CHECK: orq %rsi, %rax
142 ;; Select between -1 and 1.
143 define i64 @test10(i64 %x, i64 %y) nounwind readnone ssp noredzone {
144 %cmp = icmp eq i64 %x, 0
145 %cond = select i1 %cmp, i64 -1, i64 1
148 ; CHECK: cmpq $1, %rdi
149 ; CHECK: sbbq %rax, %rax
150 ; CHECK: orq $1, %rax
156 define i64 @test11(i64 %x, i64 %y) nounwind readnone ssp noredzone {
157 %cmp = icmp eq i64 %x, 0
158 %cond = select i1 %cmp, i64 %y, i64 -1
161 ; CHECK: cmpq $1, %rdi
162 ; CHECK: sbbq %rax, %rax
164 ; CHECK: orq %rsi, %rax
168 define i64 @test11a(i64 %x, i64 %y) nounwind readnone ssp noredzone {
169 %cmp = icmp ne i64 %x, 0
170 %cond = select i1 %cmp, i64 -1, i64 %y
173 ; CHECK: cmpq $1, %rdi
174 ; CHECK: sbbq %rax, %rax
176 ; CHECK: orq %rsi, %rax
181 declare noalias i8* @_Znam(i64) noredzone
183 define noalias i8* @test12(i64 %count) nounwind ssp noredzone {
185 %A = tail call { i64, i1 } @llvm.umul.with.overflow.i64(i64 %count, i64 4)
186 %B = extractvalue { i64, i1 } %A, 1
187 %C = extractvalue { i64, i1 } %A, 0
188 %D = select i1 %B, i64 -1, i64 %C
189 %call = tail call noalias i8* @_Znam(i64 %D) nounwind noredzone
193 ; CHECK: movq $-1, %rdi
194 ; CHECK: cmovnoq %rax, %rdi
198 declare { i64, i1 } @llvm.umul.with.overflow.i64(i64, i64) nounwind readnone
200 define i32 @test13(i32 %a, i32 %b) nounwind {
201 %c = icmp ult i32 %a, %b
202 %d = sext i1 %c to i32
210 define i32 @test14(i32 %a, i32 %b) nounwind {
211 %c = icmp uge i32 %a, %b
212 %d = sext i1 %c to i32