mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-01 00:12:50 +01:00
47 lines
1.1 KiB
LLVM
47 lines
1.1 KiB
LLVM
; Make sure this testcase codegens to the fabs instruction, not a call to fabsf
|
|
; RUN: llc < %s -march=x86 -mattr=-sse2,-sse3,-sse | FileCheck %s
|
|
; RUN: llc < %s -march=x86 -mattr=-sse,-sse2,-sse3 -enable-unsafe-fp-math -enable-no-nans-fp-math | FileCheck %s --check-prefix=UNSAFE
|
|
|
|
declare float @fabsf(float)
|
|
|
|
declare x86_fp80 @fabsl(x86_fp80)
|
|
|
|
; CHECK: test1:
|
|
; UNSAFE: test1:
|
|
define float @test1(float %X) {
|
|
%Y = call float @fabsf(float %X)
|
|
ret float %Y
|
|
}
|
|
; CHECK: {{^[ \t]+fabs$}}
|
|
; UNSAFE: {{^[ \t]+fabs$}}
|
|
|
|
; CHECK-NOT: fabs
|
|
; UNSAFE-NOT: fabs
|
|
|
|
; CHECK: test2:
|
|
; UNSAFE: test2:
|
|
define double @test2(double %X) {
|
|
%Y = fcmp oge double %X, -0.0
|
|
%Z = fsub double -0.0, %X
|
|
%Q = select i1 %Y, double %X, double %Z
|
|
ret double %Q
|
|
}
|
|
; fabs is not used here.
|
|
; CHECK-NOT: fabs
|
|
|
|
; UNSAFE: {{^[ \t]+fabs$}}
|
|
|
|
; UNSAFE-NOT: fabs
|
|
|
|
; CHECK: test3:
|
|
; UNSAFE: test3:
|
|
define x86_fp80 @test3(x86_fp80 %X) {
|
|
%Y = call x86_fp80 @fabsl(x86_fp80 %X)
|
|
ret x86_fp80 %Y
|
|
}
|
|
; CHECK: {{^[ \t]+fabs$}}
|
|
; UNSAFE: {{^[ \t]+fabs$}}
|
|
|
|
; CHECK-NOT: fabs
|
|
; UNSAFE-NOT: fabs
|