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7ac3dc00ca
Add a test to cover the case where an extracted block contains a lifetime marker for a pointer with an opaque type.
48 lines
1.5 KiB
LLVM
48 lines
1.5 KiB
LLVM
; RUN: opt -S -hotcoldsplit -hotcoldsplit-threshold=0 < %s 2>&1 | FileCheck %s
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%type1 = type opaque
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%type2 = type opaque
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declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture)
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declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture)
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declare void @use(%type1**, %type2**)
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declare void @use2(%type1**, %type2**) cold
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; CHECK-LABEL: define {{.*}}@foo(
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define void @foo() {
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entry:
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%local1 = alloca %type1*
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%local2 = alloca %type2*
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%local1_cast = bitcast %type1** %local1 to i8*
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%local2_cast = bitcast %type2** %local2 to i8*
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br i1 undef, label %normalPath, label %outlinedPath
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normalPath:
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call void @use(%type1** %local1, %type2** %local2)
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ret void
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; CHECK-LABEL: codeRepl:
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; CHECK: [[local1_cast:%.*]] = bitcast %type1** %local1 to i8*
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; CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 -1, i8* [[local1_cast]])
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; CHECK-NEXT: [[local2_cast:%.*]] = bitcast %type2** %local2 to i8*
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; CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 -1, i8* [[local2_cast]])
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; CHECK-NEXT: call void @foo.cold.1(i8* %local1_cast, i8* %local2_cast
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outlinedPath:
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call void @llvm.lifetime.start.p0i8(i64 1, i8* %local1_cast)
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call void @llvm.lifetime.start.p0i8(i64 1, i8* %local2_cast)
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call void @use2(%type1** %local1, %type2** %local2)
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call void @llvm.lifetime.end.p0i8(i64 1, i8* %local1_cast)
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call void @llvm.lifetime.end.p0i8(i64 1, i8* %local2_cast)
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br label %outlinedPathExit
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outlinedPathExit:
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ret void
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}
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; CHECK-LABEL: define {{.*}}@foo.cold.1(
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; CHECK-NOT: @llvm.lifetime
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