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
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-darwin | FileCheck %s
; CHECK-LABEL: LCPI0_0:
; CHECK-NEXT: .long 4286578688
; CHECK-LABEL: LCPI0_1:
; CHECK-NEXT: .long 2139095040
define x86_fp80 @foo(x86_fp80 %a) {
; CHECK-LABEL: foo:
; CHECK: ## %bb.0:
; CHECK-NEXT: fldt {{[0-9]+}}(%rsp)
; CHECK-NEXT: fstpt -{{[0-9]+}}(%rsp)
; CHECK-NEXT: testb $-128, -{{[0-9]+}}(%rsp)
; CHECK-NEXT: flds {{.*}}(%rip)
; CHECK-NEXT: flds {{.*}}(%rip)
; CHECK-NEXT: fcmovne %st(1), %st(0)
; CHECK-NEXT: fstp %st(1)
; CHECK-NEXT: retq
%1 = tail call x86_fp80 @copysignl(x86_fp80 0xK7FFF8000000000000000, x86_fp80 %a) nounwind readnone
ret x86_fp80 %1
}
declare x86_fp80 @copysignl(x86_fp80, x86_fp80) nounwind readnone
; This would crash:
; https://llvm.org/bugs/show_bug.cgi?id=26070
define float @pr26070() {
; CHECK-LABEL: pr26070:
; CHECK: ## %bb.0:
; CHECK-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero
; CHECK-NEXT: shufps {{.*#+}} xmm0 = xmm0[0,0,0,0]
; CHECK-NEXT: orps {{.*}}(%rip), %xmm0
; CHECK-NEXT: retq
%c = call float @copysignf(float 1.0, float undef) readnone
ret float %c
}
declare float @copysignf(float, float)
|
