forked from OSchip/llvm-project
96 lines
4.9 KiB
LLVM
96 lines
4.9 KiB
LLVM
; RUN: opt -passes=instcombine -available-load-scan-limit=2 -S < %s | FileCheck %s
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%struct.nonbonded = type { [2 x %struct.CompAtom*], [2 x %struct.CompAtomExt*], [2 x %struct.CompAtom*], [2 x %class.Vector*], [2 x %class.Vector*], [2 x i32], %class.Vector, double*, double*, %class.ComputeNonbondedWorkArrays*, %class.Pairlists*, i32, i32, double, double, i32, i32, i32, i32 }
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%struct.CompAtomExt = type { i32 }
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%struct.CompAtom = type { %class.Vector, float, i16, i8, i8 }
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%class.Vector = type { double, double, double }
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%class.ComputeNonbondedWorkArrays = type { %class.ResizeArray, %class.ResizeArray.0, %class.ResizeArray, %class.ResizeArray, %class.ResizeArray, %class.ResizeArray, %class.ResizeArray, %class.ResizeArray, %class.ResizeArray, %class.ResizeArray, %class.ResizeArray, %class.ResizeArray, %class.ResizeArray, %class.ResizeArray, %class.ResizeArray, %class.ResizeArray, %class.ResizeArray, %class.ResizeArray.2, %class.ResizeArray.2 }
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%class.ResizeArray.0 = type { i32 (...)**, %class.ResizeArrayRaw.1* }
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%class.ResizeArrayRaw.1 = type <{ double*, i8*, i32, i32, i32, float, i32, [4 x i8] }>
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%class.ResizeArray = type { i32 (...)**, %class.ResizeArrayRaw* }
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%class.ResizeArrayRaw = type <{ i16*, i8*, i32, i32, i32, float, i32, [4 x i8] }>
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%class.ResizeArray.2 = type { i32 (...)**, %class.ResizeArrayRaw.3* }
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%class.ResizeArrayRaw.3 = type <{ %class.Vector*, i8*, i32, i32, i32, float, i32, [4 x i8] }>
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%class.Pairlists = type { i16*, i32, i32 }
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define dso_local void @merge(%struct.nonbonded* nocapture readonly %params) local_unnamed_addr align 2 {
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;; Check the minPart4 and minPart assignments are merged.
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; CHECK-LABEL: @merge(
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; CHECK-COUNT-1: getelementptr inbounds %struct.nonbonded, %struct.nonbonded* %params, i64 0, i32 16
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; CHECK-NOT: getelementptr inbounds %struct.nonbonded, %struct.nonbonded* %params, i64 0, i32 16
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entry:
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%savePairlists3 = getelementptr inbounds %struct.nonbonded, %struct.nonbonded* %params, i64 0, i32 11
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%0 = load i32, i32* %savePairlists3, align 8
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%usePairlists4 = getelementptr inbounds %struct.nonbonded, %struct.nonbonded* %params, i64 0, i32 12
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%1 = load i32, i32* %usePairlists4, align 4
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%tobool54.not = icmp eq i32 %0, 0
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br i1 %tobool54.not, label %lor.lhs.false55, label %if.end109
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lor.lhs.false55: ; preds = %entry
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%tobool56.not = icmp eq i32 %1, 0
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br i1 %tobool56.not, label %if.end109, label %if.end109.thread
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if.end109.thread: ; preds = %lor.lhs.false55
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%minPart4 = getelementptr inbounds %struct.nonbonded, %struct.nonbonded* %params, i64 0, i32 16
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%2 = load i32, i32* %minPart4, align 4
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call void @llvm.pseudoprobe(i64 -6172701105289426098, i64 2, i32 0, i64 -1)
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br label %if.then138
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if.end109: ; preds = %lor.lhs.false55, %entry
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%minPart = getelementptr inbounds %struct.nonbonded, %struct.nonbonded* %params, i64 0, i32 16
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%3 = load i32, i32* %minPart, align 4
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call void @llvm.pseudoprobe(i64 -6172701105289426098, i64 3, i32 0, i64 -1)
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%tobool116.not = icmp eq i32 %1, 0
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br i1 %tobool116.not, label %if.then117, label %if.then138
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if.then117: ; preds = %if.end109
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ret void
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if.then138: ; preds = %if.end109.thread, %if.end109
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%4 = phi i32 [ %2, %if.end109.thread ], [ %3, %if.end109 ]
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%tobool139.not = icmp eq i32 %4, 0
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br i1 %tobool139.not, label %if.else147, label %if.then140
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if.then140: ; preds = %if.then138
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ret void
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if.else147: ; preds = %if.then138
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ret void
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}
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define i32 @load(i32* nocapture %a, i32* nocapture %b) {
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;; Check the last store is deleted.
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; CHECK-LABEL: @load(
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; CHECK-NEXT: %1 = getelementptr inbounds i32, i32* %a, i64 1
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; CHECK-NEXT: %2 = load i32, i32* %1, align 8
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; CHECK-NEXT: %3 = getelementptr inbounds i32, i32* %b, i64 1
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; CHECK-NEXT: store i32 %2, i32* %3, align 8
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; CHECK-NEXT: call void @llvm.pseudoprobe(i64 5116412291814990879, i64 1, i32 0, i64 -1)
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; CHECK-NEXT: ret i32 %[[#]]
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%1 = getelementptr inbounds i32, i32* %a, i32 1
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%2 = load i32, i32* %1, align 8
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%3 = getelementptr inbounds i32, i32* %b, i32 1
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store i32 %2, i32* %3, align 8
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%4 = getelementptr inbounds i32, i32* %b, i32 1
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call void @llvm.pseudoprobe(i64 5116412291814990879, i64 1, i32 0, i64 -1)
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%5 = load i32, i32* %4, align 8
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ret i32 %5
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}
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define void @dse(i32* %p) {
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;; Check the first store is deleted.
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; CHECK-LABEL: @dse(
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; CHECK-NEXT: call void @llvm.pseudoprobe(i64 5116412291814990879, i64 1, i32 0, i64 -1)
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; CHECK-NEXT: store i32 0, i32* [[P:%.*]], align 4
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; CHECK-NEXT: ret void
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store i32 0, i32* %p
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call void @llvm.pseudoprobe(i64 5116412291814990879, i64 1, i32 0, i64 -1)
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store i32 0, i32* %p
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ret void
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}
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; Function Attrs: inaccessiblememonly nounwind willreturn
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declare void @llvm.pseudoprobe(i64, i64, i32, i64) #0
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attributes #0 = { inaccessiblememonly nounwind willreturn }
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