llvm-project/llvm/test/CodeGen/PowerPC/fast-isel-fpconv.ll

34 lines
907 B
LLVM

; RUN: llc -verify-machineinstrs -mtriple powerpc64-unknown-linux-gnu -fast-isel -O0 < %s | FileCheck %s
; The second fctiwz would use an incorrect input register due to wrong handling
; of COPY_TO_REGCLASS in the FastISel pass. Verify that this is fixed.
declare void @func(i32, i32)
define void @test() {
; CHECK-LABEL: test:
; CHECK: bl func
; CHECK-NEXT: nop
; CHECK: lfs [[REG:[0-9]+]],
; CHECK: fctiwz {{[0-9]+}}, [[REG]]
; CHECK: bl func
; CHECK-NEXT: nop
%memPos = alloca float, align 4
store float 1.500000e+01, float* %memPos
%valPos = load float, float* %memPos
%memNeg = alloca float, align 4
store float -1.500000e+01, float* %memNeg
%valNeg = load float, float* %memNeg
%FloatToIntPos = fptosi float %valPos to i32
call void @func(i32 15, i32 %FloatToIntPos)
%FloatToIntNeg = fptosi float %valNeg to i32
call void @func(i32 -15, i32 %FloatToIntNeg)
ret void
}