diff --git a/llvm/test/Transforms/HotColdSplit/lifetime-markers-on-inputs-3.ll b/llvm/test/Transforms/HotColdSplit/lifetime-markers-on-inputs-3.ll new file mode 100644 index 0000000000000..6da31fbccf384 --- /dev/null +++ b/llvm/test/Transforms/HotColdSplit/lifetime-markers-on-inputs-3.ll @@ -0,0 +1,47 @@ +; RUN: opt -S -hotcoldsplit -hotcoldsplit-threshold=0 < %s 2>&1 | FileCheck %s + +%type1 = type opaque +%type2 = type opaque + +declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) + +declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) + +declare void @use(%type1**, %type2**) + +declare void @use2(%type1**, %type2**) cold + +; CHECK-LABEL: define {{.*}}@foo( +define void @foo() { +entry: + %local1 = alloca %type1* + %local2 = alloca %type2* + %local1_cast = bitcast %type1** %local1 to i8* + %local2_cast = bitcast %type2** %local2 to i8* + br i1 undef, label %normalPath, label %outlinedPath + +normalPath: + call void @use(%type1** %local1, %type2** %local2) + ret void + +; CHECK-LABEL: codeRepl: +; CHECK: [[local1_cast:%.*]] = bitcast %type1** %local1 to i8* +; CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 -1, i8* [[local1_cast]]) +; CHECK-NEXT: [[local2_cast:%.*]] = bitcast %type2** %local2 to i8* +; CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 -1, i8* [[local2_cast]]) +; CHECK-NEXT: call void @foo.cold.1(i8* %local1_cast, i8* %local2_cast + +outlinedPath: + call void @llvm.lifetime.start.p0i8(i64 1, i8* %local1_cast) + call void @llvm.lifetime.start.p0i8(i64 1, i8* %local2_cast) + call void @use2(%type1** %local1, %type2** %local2) + call void @llvm.lifetime.end.p0i8(i64 1, i8* %local1_cast) + call void @llvm.lifetime.end.p0i8(i64 1, i8* %local2_cast) + br label %outlinedPathExit + +outlinedPathExit: + ret void +} + +; CHECK-LABEL: define {{.*}}@foo.cold.1( +; CHECK-NOT: @llvm.lifetime