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[SLP]Add a test for correct use of the reordered loads, NFC.

This commit is contained in:
Alexey Bataev 2021-01-01 08:27:23 -08:00
parent 26680269e0
commit bf2a78fd4a
1 changed files with 61 additions and 0 deletions
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61
llvm/test/Transforms/SLPVectorizer/X86/shrink_after_reorder.ll Normal file
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -slp-vectorizer -S -o - -mtriple=x86_64-unknown-linux-gnu -mcpu=haswell < %s | FileCheck %s
define void @wombat(i32* %ptr, i32* %ptr1) {
; CHECK-LABEL: @wombat(
; CHECK-NEXT: bb:
; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i32, i32* [[PTR:%.*]], i64 1
; CHECK-NEXT: [[TMP8:%.*]] = getelementptr inbounds i32, i32* [[PTR]], i64 0
; CHECK-NEXT: [[TMP0:%.*]] = bitcast i32* [[TMP8]] to <2 x i32>*
; CHECK-NEXT: [[TMP1:%.*]] = load <2 x i32>, <2 x i32>* [[TMP0]], align 8
; CHECK-NEXT: [[SHUFFLE:%.*]] = shufflevector <2 x i32> [[TMP1]], <2 x i32> poison, <4 x i32> <i32 1, i32 0, i32 1, i32 0>
; CHECK-NEXT: [[TMP27:%.*]] = getelementptr inbounds i32, i32* [[PTR1:%.*]], i32 3
; CHECK-NEXT: [[TMP2:%.*]] = add nsw <2 x i32> [[TMP1]], <i32 -1, i32 -1>
; CHECK-NEXT: [[SHUFFLE1:%.*]] = shufflevector <2 x i32> [[TMP2]], <2 x i32> poison, <4 x i32> <i32 0, i32 1, i32 0, i32 1>
; CHECK-NEXT: [[TMP34:%.*]] = getelementptr inbounds i32, i32* [[PTR1]], i32 4
; CHECK-NEXT: [[TMP40:%.*]] = getelementptr inbounds i32, i32* [[PTR1]], i32 5
; CHECK-NEXT: [[TMP3:%.*]] = icmp sgt <4 x i32> [[SHUFFLE]], undef
; CHECK-NEXT: [[TMP4:%.*]] = select <4 x i1> [[TMP3]], <4 x i32> undef, <4 x i32> [[SHUFFLE1]]
; CHECK-NEXT: [[TMP5:%.*]] = select <4 x i1> zeroinitializer, <4 x i32> zeroinitializer, <4 x i32> [[TMP4]]
; CHECK-NEXT: [[TMP46:%.*]] = getelementptr inbounds i32, i32* [[PTR1]], i32 6
; CHECK-NEXT: [[TMP6:%.*]] = bitcast i32* [[TMP27]] to <4 x i32>*
; CHECK-NEXT: store <4 x i32> [[TMP5]], <4 x i32>* [[TMP6]], align 8
; CHECK-NEXT: ret void
;
bb:
%tmp7 = getelementptr inbounds i32, i32* %ptr, i64 1
%tmp8 = getelementptr inbounds i32, i32* %ptr, i64 0
%tmp12 = load i32, i32* %tmp7, align 4
%tmp13 = load i32, i32* %tmp8, align 8
%tmp21 = add nsw i32 %tmp12, -1
%tmp22 = fptosi float undef to i32
%tmp23 = icmp slt i32 %tmp22, 0
%tmp24 = icmp sgt i32 %tmp12, %tmp22
%tmp25 = select i1 %tmp24, i32 %tmp22, i32 %tmp21
%tmp26 = select i1 %tmp23, i32 0, i32 %tmp25
%tmp27 = getelementptr inbounds i32, i32* %ptr1, i32 3
store i32 %tmp26, i32* %tmp27, align 8
%tmp28 = add nsw i32 %tmp13, -1
%tmp29 = fptosi float undef to i32
%tmp30 = icmp slt i32 %tmp29, 0
%tmp31 = icmp sgt i32 %tmp13, %tmp29
%tmp32 = select i1 %tmp31, i32 %tmp29, i32 %tmp28
%tmp33 = select i1 %tmp30, i32 0, i32 %tmp32
%tmp34 = getelementptr inbounds i32, i32* %ptr1, i32 4
store i32 %tmp33, i32* %tmp34, align 4
%tmp35 = fptosi float undef to i32
%tmp36 = icmp slt i32 %tmp35, 0
%tmp37 = icmp sgt i32 %tmp12, %tmp35
%tmp38 = select i1 %tmp37, i32 %tmp35, i32 %tmp21
%tmp39 = select i1 %tmp36, i32 0, i32 %tmp38
%tmp40 = getelementptr inbounds i32, i32* %ptr1, i32 5
store i32 %tmp39, i32* %tmp40, align 8
%tmp41 = fptosi float undef to i32
%tmp42 = icmp slt i32 %tmp41, 0
%tmp43 = icmp sgt i32 %tmp13, %tmp41
%tmp44 = select i1 %tmp43, i32 %tmp41, i32 %tmp28
%tmp45 = select i1 %tmp42, i32 0, i32 %tmp44
%tmp46 = getelementptr inbounds i32, i32* %ptr1, i32 6
store i32 %tmp45, i32* %tmp46, align 4
ret void
}