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a62270de2c
The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
42 lines
1.4 KiB
LLVM
42 lines
1.4 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 %a, i1** %d) {
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entry:
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%0 = load i1*, i1** %d, align 8
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br i1 %a, label %if.then, label %if.else
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if.then: ; preds = %entry
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br label %if.end
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if.else: ; preds = %entry
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br label %if.end
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if.end: ; preds = %if.else, %if.then
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%c.0 = phi i1 [ 1, %if.then ], [ 0, %if.else ]
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br i1 %c.0, label %if.then2, label %if.else3
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if.then2: ; preds = %if.end
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%rc = getelementptr inbounds i1, i1* %0, i64 0
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store i1 %c.0, i1* %rc, align 4
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br label %if.end6
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if.else3: ; preds = %if.end
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%rc5 = getelementptr inbounds i1, i1* %0, i64 0
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store i1 %c.0, i1* %rc5, align 4
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br label %if.end6
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if.end6: ; preds = %if.else3, %if.then2
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ret void
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}
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; CHECK-LABEL: define void @test1(
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; CHECK: %[[load:.*]] = load i1*, i1** %d, align 8
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; CHECK: %[[phi:.*]] = phi i1 [ true, {{.*}} ], [ false, {{.*}} ]
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; CHECK: %[[gep0:.*]] = getelementptr inbounds i1, i1* %[[load]], i64 0
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; CHECK: store i1 %[[phi]], i1* %[[gep0]], align 4
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; Check that store instructions are hoisted.
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; CHECK-NOT: store |