llvm-project/llvm/test/CodeGen/X86/fabs.ll

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679 B
LLVM

; Make sure this testcase codegens to the fabs instruction, not a call to fabsf
; RUN: llvm-upgrade < %s | llvm-as | llc -march=x86 -mattr=-sse2,-sse3 | \
; RUN: grep fabs\$ | wc -l | grep 1
; RUN: llvm-upgrade < %s | llvm-as | \
; RUN: llc -march=x86 -mattr=-sse2,-sse3 -enable-unsafe-fp-math | \
; RUN: grep fabs\$ | wc -l | grep 2
target endian = little
target pointersize = 32
declare float %fabsf(float)
float %test1(float %X) {
%Y = call float %fabsf(float %X)
ret float %Y
}
double %test2(double %X) {
%Y = setge double %X, -0.0
%Z = sub double -0.0, %X
%Q = select bool %Y, double %X, double %Z
ret double %Q
}