derek.holloway
7502bf64a4
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80 lines
3.0 KiB
LLVM
80 lines
3.0 KiB
LLVM
; RUN: opt < %s -aa-pipeline=basic-aa -passes=aa-eval -print-all-alias-modref-info -disable-output 2>&1 | FileCheck %s
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@G = global [10 x i32] zeroinitializer, align 4
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define void @select_in_gep1(i1 %c, i64 %x) {
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entry:
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; CHECK-LABEL: Function: select_in_gep1
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; CHECK: NoAlias: i32* %arrayidx1, i32* %arrayidx2
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%add1_ = add nsw i64 %x, 1
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%add2_ = add nsw i64 %x, 2
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%select_ = select i1 %c, i64 %add1_, i64 %add2_
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%arrayidx1 = getelementptr inbounds [10 x i32], ptr @G, i64 0, i64 %select_
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store i32 42, ptr %arrayidx1, align 4
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%arrayidx2 = getelementptr inbounds [10 x i32], ptr @G, i64 0, i64 %x
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store i32 43, ptr %arrayidx2, align 4
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ret void
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}
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define void @select_in_gep2(i1 %c, i64 %x) {
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entry:
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; TODO: should be "NoAlias" here as well.
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; CHECK-LABEL: Function: select_in_gep2
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; CHECK: MayAlias: i32* %arrayidx1, i32* %arrayidx2
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%add1_ = add nsw i64 %x, 1
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%add2_ = add nsw i64 %x, 2
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%add3_ = add nsw i64 %x, 3
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%select_ = select i1 %c, i64 %add1_, i64 %add2_
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%arrayidx1 = getelementptr inbounds [10 x i32], ptr @G, i64 0, i64 %select_
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store i32 42, ptr %arrayidx1, align 4
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%arrayidx2 = getelementptr inbounds [10 x i32], ptr @G, i64 0, i64 %add3_
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store i32 43, ptr %arrayidx2, align 4
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ret void
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}
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define void @two_selects_in_gep_same_cond(i1 %c, i64 %x) {
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entry:
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; CHECK-LABEL: Function: two_selects_in_gep_same_cond
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; CHECK: NoAlias: i32* %arrayidx1, i32* %arrayidx2
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%add1_ = add nsw i64 %x, 1
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%add2_ = add nsw i64 %x, 2
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%select1_ = select i1 %c, i64 %x, i64 %add1_
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%select2_ = select i1 %c, i64 %add2_, i64 %x
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%arrayidx1 = getelementptr inbounds [10 x i32], ptr @G, i64 0, i64 %select1_
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store i32 42, ptr %arrayidx1, align 4
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%arrayidx2 = getelementptr inbounds [10 x i32], ptr @G, i64 0, i64 %select2_
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store i32 43, ptr %arrayidx2, align 4
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ret void
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}
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define void @two_selects_in_gep_different_cond1(i1 %c1, i1 %c2, i64 %x) {
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entry:
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; CHECK-LABEL: Function: two_selects_in_gep_different_cond1
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; CHECK: NoAlias: i32* %arrayidx1, i32* %arrayidx2
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%add1_ = add nsw i64 %x, 1
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%add2_ = add nsw i64 %x, 2
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%add3_ = add nsw i64 %x, 3
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%add4_ = add nsw i64 %x, 4
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%select1_ = select i1 %c1, i64 %add1_, i64 %add2_
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%select2_ = select i1 %c2, i64 %add3_, i64 %add4_
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%arrayidx1 = getelementptr inbounds [10 x i32], ptr @G, i64 0, i64 %select1_
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store i32 42, ptr %arrayidx1, align 4
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%arrayidx2 = getelementptr inbounds [10 x i32], ptr @G, i64 0, i64 %select2_
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store i32 43, ptr %arrayidx2, align 4
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ret void
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}
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define void @two_selects_in_gep_different_cond2(i1 %c1, i1 %c2, i64 %x) {
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entry:
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; CHECK-LABEL: Function: two_selects_in_gep_different_cond2
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; CHECK: MayAlias: i32* %arrayidx1, i32* %arrayidx2
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%add1_ = add nsw i64 %x, 1
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%add2_ = add nsw i64 %x, 2
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%select1_ = select i1 %c1, i64 %x, i64 %add1_
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%select2_ = select i1 %c2, i64 %x, i64 %add2_
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%arrayidx1 = getelementptr inbounds [10 x i32], ptr @G, i64 0, i64 %select1_
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store i32 42, ptr %arrayidx1, align 4
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%arrayidx2 = getelementptr inbounds [10 x i32], ptr @G, i64 0, i64 %select2_
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store i32 43, ptr %arrayidx2, align 4
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ret void
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}
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