74 lines
2.2 KiB
LLVM
74 lines
2.2 KiB
LLVM
; RUN: opt -S -gvn-hoist < %s | FileCheck %s
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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define void @test1(i1 %b, i32* %x) {
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entry:
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br i1 %b, label %if.then, label %if.else
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if.then: ; preds = %entry
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store i32 2, i32* %x, align 4, !tbaa !1
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br label %if.end
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if.else: ; preds = %entry
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store i32 2, i32* %x, align 4, !tbaa !5
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br label %if.end
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if.end: ; preds = %if.else, %if.then
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ret void
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}
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; CHECK-LABEL: define void @test1(
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; CHECK: store i32 2, i32* %x, align 4
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; CHECK-NEXT: br i1 %b
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define void @test2(i1 %b, i32* %x) {
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entry:
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br i1 %b, label %if.then, label %if.else
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if.then: ; preds = %entry
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%gep1 = getelementptr inbounds i32, i32* %x, i64 1
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store i32 2, i32* %gep1, align 4, !tbaa !1
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br label %if.end
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if.else: ; preds = %entry
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%gep2 = getelementptr inbounds i32, i32* %x, i64 1
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store i32 2, i32* %gep2, align 4, !tbaa !5
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br label %if.end
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if.end: ; preds = %if.else, %if.then
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ret void
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}
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; CHECK-LABEL: define void @test2(
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; CHECK: %[[gep:.*]] = getelementptr inbounds i32, i32* %x, i64 1
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; CHECK: store i32 2, i32* %[[gep]], align 4
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; CHECK-NEXT: br i1 %b
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define void @test3(i1 %b, i32* %x) {
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entry:
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br i1 %b, label %if.then, label %if.else
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if.then: ; preds = %entry
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%gep1 = getelementptr inbounds i32, i32* %x, i64 1
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store i32 2, i32* %gep1, align 4, !tbaa !1
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br label %if.end
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if.else: ; preds = %entry
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%gep2 = getelementptr i32, i32* %x, i64 1
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store i32 2, i32* %gep2, align 4, !tbaa !5
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br label %if.end
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if.end: ; preds = %if.else, %if.then
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ret void
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}
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; CHECK-LABEL: define void @test3(
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; CHECK: %[[gep:.*]] = getelementptr i32, i32* %x, i64 1
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; CHECK: store i32 2, i32* %[[gep]], align 4
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; CHECK-NEXT: br i1 %b
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!1 = !{!2, !2, i64 0}
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!2 = !{!"int", !3, i64 0}
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!3 = !{!"omnipotent char", !4, i64 0}
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!4 = !{!"Simple C++ TBAA"}
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!5 = !{!6, !6, i64 0}
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!6 = !{!"_ZTS1e", !3, i64 0}
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