2011-10-21-widen-cmp.ll
2.01 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=corei7 | FileCheck %s
; Check that a <4 x float> compare is generated and that we are
; not stuck in an endless loop.
define void @cmp_2_floats(<2 x float> %a, <2 x float> %b, <2 x float> %c) {
; CHECK-LABEL: cmp_2_floats:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: movaps %xmm0, %xmm3
; CHECK-NEXT: cmpordps %xmm2, %xmm2
; CHECK-NEXT: movaps %xmm2, %xmm0
; CHECK-NEXT: blendvps %xmm0, %xmm3, %xmm1
; CHECK-NEXT: movlps %xmm1, (%rax)
; CHECK-NEXT: retq
entry:
%0 = fcmp oeq <2 x float> %c, %c
%1 = select <2 x i1> %0, <2 x float> %a, <2 x float> %b
store <2 x float> %1, <2 x float>* undef
ret void
}
define void @cmp_2_doubles(<2 x double> %a, <2 x double> %b, <2 x double> %c) {
; CHECK-LABEL: cmp_2_doubles:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: movapd %xmm0, %xmm3
; CHECK-NEXT: cmpordpd %xmm2, %xmm2
; CHECK-NEXT: movapd %xmm2, %xmm0
; CHECK-NEXT: blendvpd %xmm0, %xmm3, %xmm1
; CHECK-NEXT: movapd %xmm1, (%rax)
; CHECK-NEXT: retq
entry:
%0 = fcmp oeq <2 x double> %c, %c
%1 = select <2 x i1> %0, <2 x double> %a, <2 x double> %b
store <2 x double> %1, <2 x double>* undef
ret void
}
define void @mp_11193(<8 x float> * nocapture %aFOO, <8 x float>* nocapture %RET) nounwind {
; CHECK-LABEL: mp_11193:
; CHECK: # %bb.0: # %allocas
; CHECK-NEXT: movl $-1082130432, (%rsi) # imm = 0xBF800000
; CHECK-NEXT: retq
allocas:
%bincmp = fcmp olt <8 x float> <float 1.000000e+00, float 1.000000e+00, float 1.000000e+00, float 1.000000e+00, float 9.000000e+00, float 1.000000e+00, float 9.000000e+00, float 1.000000e+00> , <float 3.000000e+00, float 3.000000e+00, float 3.000000e+00, float 3.000000e+00, float 3.000000e+00, float 3.000000e+00, float 3.000000e+00, float 3.000000e+00>
%t = extractelement <8 x i1> %bincmp, i32 0
%ft = sitofp i1 %t to float
%pp = bitcast <8 x float>* %RET to float*
store float %ft, float* %pp
ret void
}