forked from OSchip/llvm-project
56 lines
1.6 KiB
LLVM
56 lines
1.6 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -simplifycfg -simplifycfg-require-and-preserve-domtree=1 -sink-common-insts -S | FileCheck %s
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; RUN: opt < %s -passes='simplifycfg<sink-common-insts>' -S | FileCheck %s
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define i1 @test1(i1 zeroext %flag, i8* %y) #0 {
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; CHECK-LABEL: @test1(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[S:%.*]] = call i1 @llvm.type.test(i8* [[Y:%.*]], metadata [[META0:![0-9]+]])
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; CHECK-NEXT: [[R:%.*]] = call i1 @llvm.type.test(i8* [[Y]], metadata [[META1:![0-9]+]])
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; CHECK-NEXT: [[T:%.*]] = select i1 [[FLAG:%.*]], i1 [[R]], i1 [[S]]
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; CHECK-NEXT: ret i1 [[T]]
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;
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entry:
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br i1 %flag, label %if.then, label %if.else
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if.then:
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%r = call i1 @llvm.type.test(i8* %y, metadata !0)
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br label %if.end
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if.else:
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%s = call i1 @llvm.type.test(i8* %y, metadata !1)
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br label %if.end
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if.end:
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%t = phi i1 [ %s, %if.else ], [ %r, %if.then ]
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ret i1 %t
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}
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!0 = !{i32 0, !"typeid1"}
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!1 = !{i32 4, !"typeid1"}
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declare i1 @llvm.type.test(i8* %ptr, metadata %bitset) nounwind readnone
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define i1 @test2(i1 zeroext %flag, i8* %y, i8* %z) #0 {
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; CHECK-LABEL: @test2(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[Y_Z:%.*]] = select i1 [[FLAG:%.*]], i8* [[Y:%.*]], i8* [[Z:%.*]]
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; CHECK-NEXT: [[S:%.*]] = call i1 @llvm.type.test(i8* [[Y_Z]], metadata [[META1]])
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; CHECK-NEXT: ret i1 [[S]]
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;
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entry:
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br i1 %flag, label %if.then, label %if.else
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if.then:
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%r = call i1 @llvm.type.test(i8* %y, metadata !0)
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br label %if.end
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if.else:
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%s = call i1 @llvm.type.test(i8* %z, metadata !0)
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br label %if.end
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if.end:
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%t = phi i1 [ %s, %if.else ], [ %r, %if.then ]
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ret i1 %t
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}
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