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comparison test/CodeGen/ARM/fcopysign.ll @ 0:95c75e76d11b LLVM3.4

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LLVM 3.4
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 12 Dec 2013 13:56:28 +0900
parents
children afa8332a0e37
comparison
equal deleted inserted replaced
-1:000000000000 0:95c75e76d11b
1 ; RUN: llc < %s -disable-post-ra -mtriple=armv7-apple-darwin -mcpu=cortex-a8 | FileCheck %s -check-prefix=SOFT
2 ; RUN: llc < %s -disable-post-ra -mtriple=armv7-gnueabi -float-abi=hard -mcpu=cortex-a8 | FileCheck %s -check-prefix=HARD
3
4 ; rdar://8984306
5 define float @test1(float %x, float %y) nounwind {
6 entry:
7 ; SOFT-LABEL: test1:
8 ; SOFT: lsr r1, r1, #31
9 ; SOFT: bfi r0, r1, #31, #1
10
11 ; HARD-LABEL: test1:
12 ; HARD: vmov.i32 [[REG1:(d[0-9]+)]], #0x80000000
13 ; HARD: vbsl [[REG1]], d
14 %0 = tail call float @copysignf(float %x, float %y) nounwind readnone
15 ret float %0
16 }
17
18 define double @test2(double %x, double %y) nounwind {
19 entry:
20 ; SOFT-LABEL: test2:
21 ; SOFT: lsr r2, r3, #31
22 ; SOFT: bfi r1, r2, #31, #1
23
24 ; HARD-LABEL: test2:
25 ; HARD: vmov.i32 [[REG2:(d[0-9]+)]], #0x80000000
26 ; HARD: vshl.i64 [[REG2]], [[REG2]], #32
27 ; HARD: vbsl [[REG2]], d1, d0
28 %0 = tail call double @copysign(double %x, double %y) nounwind readnone
29 ret double %0
30 }
31
32 define double @test3(double %x, double %y, double %z) nounwind {
33 entry:
34 ; SOFT-LABEL: test3:
35 ; SOFT: vmov.i32 [[REG3:(d[0-9]+)]], #0x80000000
36 ; SOFT: vshl.i64 [[REG3]], [[REG3]], #32
37 ; SOFT: vbsl [[REG3]],
38 %0 = fmul double %x, %y
39 %1 = tail call double @copysign(double %0, double %z) nounwind readnone
40 ret double %1
41 }
42
43 ; rdar://9287902
44 define float @test4() nounwind {
45 entry:
46 ; SOFT-LABEL: test4:
47 ; SOFT: vmov [[REG7:(d[0-9]+)]], r0, r1
48 ; SOFT: vmov.i32 [[REG6:(d[0-9]+)]], #0x80000000
49 ; SOFT: vshr.u64 [[REG7]], [[REG7]], #32
50 ; SOFT: vbsl [[REG6]], [[REG7]],
51 %0 = tail call double (...)* @bar() nounwind
52 %1 = fptrunc double %0 to float
53 %2 = tail call float @copysignf(float 5.000000e-01, float %1) nounwind readnone
54 %3 = fadd float %1, %2
55 ret float %3
56 }
57
58 declare double @bar(...)
59 declare double @copysign(double, double) nounwind
60 declare float @copysignf(float, float) nounwind