48 lines
1.5 KiB
LLVM
48 lines
1.5 KiB
LLVM
; 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
|