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llvm-mirror/test/CodeGen/PowerPC/pr38087.ll
Sanjay Patel 784406598d [PowerPC] make tests immune to improved undef handling
The fma mutate test will not exercise what it was intended to test
once we simplify those ops immediately, but the test will still
pass with the existing CHECKs, so I'm leaving it in case that
still has minimal value.

llvm-svn: 373149
2019-09-28 13:34:53 +00:00

56 lines
2.3 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -verify-machineinstrs -mcpu=pwr9 -ppc-vsr-nums-as-vr \
; RUN: -mtriple=powerpc64le-unknown-unknown -ppc-asm-full-reg-names < %s | \
; RUN: FileCheck %s
; Function Attrs: nounwind readnone speculatable
declare <4 x float> @llvm.fmuladd.v4f32(<4 x float>, <4 x float>, <4 x float>) #0
; Function Attrs: nounwind readnone speculatable
declare { i32, i1 } @llvm.usub.with.overflow.i32(i32, i32) #0
define void @draw_llvm_vs_variant0(<4 x float> %x) {
; CHECK-LABEL: draw_llvm_vs_variant0:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: lfd f0, 0(r3)
; CHECK-NEXT: xxpermdi v3, f0, f0, 2
; CHECK-NEXT: vmrglh v3, v3, v3
; CHECK-NEXT: vextsh2w v3, v3
; CHECK-NEXT: xvcvsxwsp vs0, v3
; CHECK-NEXT: xxspltw vs0, vs0, 2
; CHECK-NEXT: xvmaddasp vs0, v2, v2
; CHECK-NEXT: stxvx vs0, 0, r3
; CHECK-NEXT: blr
entry:
%.size = load i32, i32* undef
%0 = call { i32, i1 } @llvm.usub.with.overflow.i32(i32 %.size, i32 7)
%1 = extractvalue { i32, i1 } %0, 0
%2 = call { i32, i1 } @llvm.usub.with.overflow.i32(i32 %1, i32 0)
%3 = extractvalue { i32, i1 } %2, 0
%4 = select i1 false, i32 0, i32 %3
%5 = xor i1 false, true
%6 = sext i1 %5 to i32
%7 = load <4 x i16>, <4 x i16>* undef, align 2
%8 = extractelement <4 x i16> %7, i32 0
%9 = sext i16 %8 to i32
%10 = insertelement <4 x i32> undef, i32 %9, i32 0
%11 = extractelement <4 x i16> %7, i32 1
%12 = sext i16 %11 to i32
%13 = insertelement <4 x i32> %10, i32 %12, i32 1
%14 = extractelement <4 x i16> %7, i32 2
%15 = sext i16 %14 to i32
%16 = insertelement <4 x i32> %13, i32 %15, i32 2
%17 = extractelement <4 x i16> %7, i32 3
%18 = sext i16 %17 to i32
%19 = insertelement <4 x i32> %16, i32 %18, i32 3
%20 = sitofp <4 x i32> %19 to <4 x float>
%21 = insertelement <4 x i32> undef, i32 %6, i32 0
%22 = shufflevector <4 x i32> %21, <4 x i32> undef, <4 x i32> zeroinitializer
%23 = bitcast <4 x float> %20 to <4 x i32>
%24 = and <4 x i32> %23, %22
%25 = bitcast <4 x i32> %24 to <4 x float>
%26 = shufflevector <4 x float> %25, <4 x float> undef, <4 x i32> <i32 1, i32 1, i32 1, i32 1>
%27 = call <4 x float> @llvm.fmuladd.v4f32(<4 x float> %x, <4 x float> %x, <4 x float> %26)
store <4 x float> %27, <4 x float>* undef
ret void
}