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cf082ae903
This update was done with the following bash script:
find test/Transforms -name "*.ll" | \
while read NAME; do
echo "$NAME"
if ! grep -q "^; *RUN: *llc" $NAME; then
TEMP=`mktemp -t temp`
cp $NAME $TEMP
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llvm-svn: 186268
116 lines
3.5 KiB
LLVM
116 lines
3.5 KiB
LLVM
; RUN: opt -simplifycfg -S < %s | FileCheck %s
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declare void @bar() nounwind
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define i32 @test1(i32* %a, i32 %b, i32* %c, i32 %d) nounwind {
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entry:
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%tobool = icmp eq i32 %b, 0
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br i1 %tobool, label %if.else, label %if.then
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if.then: ; preds = %entry
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tail call void @bar() nounwind
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br label %if.end7
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if.else: ; preds = %entry
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%tobool3 = icmp eq i32 %d, 0
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br i1 %tobool3, label %if.end7, label %if.then4
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if.then4: ; preds = %if.else
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tail call void @bar() nounwind
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br label %if.end7
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if.end7: ; preds = %if.else, %if.then4, %if.then
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%x.0 = phi i32* [ %a, %if.then ], [ %c, %if.then4 ], [ null, %if.else ]
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%tmp9 = load i32* %x.0
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ret i32 %tmp9
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; CHECK-LABEL: @test1(
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; CHECK: if.else:
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; CHECK: br label %if.end7
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; CHECK: phi i32* [ %a, %if.then ], [ %c, %if.else ]
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}
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define i32 @test2(i32* %a, i32 %b, i32* %c, i32 %d) nounwind {
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entry:
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%tobool = icmp eq i32 %b, 0
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br i1 %tobool, label %if.else, label %if.then
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if.then: ; preds = %entry
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tail call void @bar() nounwind
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br label %if.end7
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if.else: ; preds = %entry
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%tobool3 = icmp eq i32 %d, 0
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br i1 %tobool3, label %if.end7, label %if.then4
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if.then4: ; preds = %if.else
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tail call void @bar() nounwind
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br label %if.end7
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if.end7: ; preds = %if.else, %if.then4, %if.then
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%x.0 = phi i32* [ %a, %if.then ], [ null, %if.then4 ], [ null, %if.else ]
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%tmp9 = load i32* %x.0
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ret i32 %tmp9
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; CHECK-LABEL: @test2(
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; CHECK: if.else:
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; CHECK: unreachable
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; CHECK-NOT: phi
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}
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define i32 @test3(i32* %a, i32 %b, i32* %c, i32 %d) nounwind {
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entry:
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%tobool = icmp eq i32 %b, 0
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br i1 %tobool, label %if.else, label %if.then
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if.then: ; preds = %entry
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tail call void @bar() nounwind
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br label %if.end7
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if.else: ; preds = %entry
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%tobool3 = icmp eq i32 %d, 0
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br i1 %tobool3, label %if.end7, label %if.then4
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if.then4: ; preds = %if.else
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tail call void @bar() nounwind
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br label %if.end7
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if.end7: ; preds = %if.else, %if.then4, %if.then
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%x.0 = phi i32* [ %a, %if.then ], [ null, %if.then4 ], [ null, %if.else ]
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tail call void @bar() nounwind
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%tmp9 = load i32* %x.0
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ret i32 %tmp9
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; CHECK-LABEL: @test3(
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; CHECK: if.end7:
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; CHECK: phi i32* [ %a, %if.then ], [ null, %if.then4 ], [ null, %if.else ]
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}
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define i32 @test4(i32* %a, i32 %b, i32* %c, i32 %d) nounwind {
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entry:
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%tobool = icmp eq i32 %b, 0
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br i1 %tobool, label %if.else, label %if.then
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if.then: ; preds = %entry
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tail call void @bar() nounwind
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br label %if.end7
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if.else: ; preds = %entry
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%tobool3 = icmp eq i32 %d, 0
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br i1 %tobool3, label %if.end7, label %if.then4
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if.then4: ; preds = %if.else
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tail call void @bar() nounwind
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br label %if.end7
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if.end7: ; preds = %if.else, %if.then4, %if.then
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%x.0 = phi i32* [ %a, %if.then ], [ null, %if.then4 ], [ null, %if.else ]
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%gep = getelementptr i32* %x.0, i32 10
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%tmp9 = load i32* %gep
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%tmp10 = or i32 %tmp9, 1
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store i32 %tmp10, i32* %gep
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ret i32 %tmp9
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; CHECK-LABEL: @test4(
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; CHECK-NOT: phi
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}
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