xref: /aosp_15_r20/external/llvm/test/CodeGen/X86/fabs.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; Make sure this testcase codegens to the fabs instruction, not a call to fabsf
2*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=i686-apple-macosx -mattr=-sse2,-sse3,-sse | FileCheck %s
3*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=i686-apple-macosx -mattr=-sse,-sse2,-sse3 -enable-unsafe-fp-math -enable-no-nans-fp-math | FileCheck %s --check-prefix=UNSAFE
4*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=x86_64-apple-macosx -O0 | FileCheck %s --check-prefix=NOOPT
5*9880d681SAndroid Build Coastguard Worker
6*9880d681SAndroid Build Coastguard Workerdeclare float @fabsf(float)
7*9880d681SAndroid Build Coastguard Worker
8*9880d681SAndroid Build Coastguard Workerdeclare x86_fp80 @fabsl(x86_fp80)
9*9880d681SAndroid Build Coastguard Worker
10*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL:  test1:
11*9880d681SAndroid Build Coastguard Worker; UNSAFE-LABEL: test1:
12*9880d681SAndroid Build Coastguard Worker; NOOPT-LABEL:  test1:
13*9880d681SAndroid Build Coastguard Workerdefine float @test1(float %X) {
14*9880d681SAndroid Build Coastguard Worker        %Y = call float @fabsf(float %X) readnone
15*9880d681SAndroid Build Coastguard Worker        ret float %Y
16*9880d681SAndroid Build Coastguard Worker}
17*9880d681SAndroid Build Coastguard Worker; CHECK:  {{^[ \t]+fabs$}}
18*9880d681SAndroid Build Coastguard Worker; UNSAFE: {{^[ \t]+fabs$}}
19*9880d681SAndroid Build Coastguard Worker
20*9880d681SAndroid Build Coastguard Worker; CHECK-NOT:  fabs
21*9880d681SAndroid Build Coastguard Worker; UNSAFE-NOT: fabs
22*9880d681SAndroid Build Coastguard Worker; NOOPT-NOT:  fabsf
23*9880d681SAndroid Build Coastguard Worker
24*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL:  test2:
25*9880d681SAndroid Build Coastguard Worker; UNSAFE-LABEL: test2:
26*9880d681SAndroid Build Coastguard Worker; NOOPT-LABEL:  test2:
27*9880d681SAndroid Build Coastguard Workerdefine double @test2(double %X) {
28*9880d681SAndroid Build Coastguard Worker        %Y = fcmp oge double %X, -0.0
29*9880d681SAndroid Build Coastguard Worker        %Z = fsub double -0.0, %X
30*9880d681SAndroid Build Coastguard Worker        %Q = select i1 %Y, double %X, double %Z
31*9880d681SAndroid Build Coastguard Worker        ret double %Q
32*9880d681SAndroid Build Coastguard Worker}
33*9880d681SAndroid Build Coastguard Worker; fabs is not used here.
34*9880d681SAndroid Build Coastguard Worker; CHECK-NOT:  fabs
35*9880d681SAndroid Build Coastguard Worker; NOOPT-NOT:  fabs
36*9880d681SAndroid Build Coastguard Worker
37*9880d681SAndroid Build Coastguard Worker; UNSAFE: {{^[ \t]+fabs$}}
38*9880d681SAndroid Build Coastguard Worker
39*9880d681SAndroid Build Coastguard Worker; UNSAFE-NOT: fabs
40*9880d681SAndroid Build Coastguard Worker
41*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL:  test3:
42*9880d681SAndroid Build Coastguard Worker; UNSAFE-LABEL: test3:
43*9880d681SAndroid Build Coastguard Worker; NOOPT-LABEL:  test3:
44*9880d681SAndroid Build Coastguard Workerdefine x86_fp80 @test3(x86_fp80 %X) {
45*9880d681SAndroid Build Coastguard Worker        %Y = call x86_fp80 @fabsl(x86_fp80 %X) readnone
46*9880d681SAndroid Build Coastguard Worker        ret x86_fp80 %Y
47*9880d681SAndroid Build Coastguard Worker}
48*9880d681SAndroid Build Coastguard Worker; CHECK:  {{^[ \t]+fabs$}}
49*9880d681SAndroid Build Coastguard Worker; UNSAFE: {{^[ \t]+fabs$}}
50*9880d681SAndroid Build Coastguard Worker; NOOPT:  {{^[ \t]+fabs$}}
51*9880d681SAndroid Build Coastguard Worker
52*9880d681SAndroid Build Coastguard Worker; CHECK-NOT:  fabs
53*9880d681SAndroid Build Coastguard Worker; UNSAFE-NOT: fabs
54*9880d681SAndroid Build Coastguard Worker; NOOPT-NOT:  fabs
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