llvm-project/llvm/test/CodeGen/Hexagon/opt-fabs.ll

16 lines
427 B
LLVM

; RUN: llc -mtriple=hexagon-unknown-elf -mcpu=hexagonv5 < %s | FileCheck %s
; Optimize fabsf to clrbit in V5.
; CHECK: r{{[0-9]+}} = clrbit(r{{[0-9]+}}, #31)
define float @my_fabsf(float %x) nounwind {
entry:
%x.addr = alloca float, align 4
store float %x, float* %x.addr, align 4
%0 = load float, float* %x.addr, align 4
%call = call float @fabsf(float %0) readnone
ret float %call
}
declare float @fabsf(float)