1; RUN: opt < %s -debugify -basic-aa -dse -S | FileCheck %s
2
3target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"
4
5declare noalias i8* @malloc(i32)
6
7declare void @test_f()
8
9define i32* @test_salvage(i32 %arg) {
10; Check that all four original local variables have their values preserved.
11; CHECK-LABEL: @test_salvage(
12; CHECK-NEXT: malloc
13; CHECK-NEXT: @llvm.dbg.value(metadata i8* %p, metadata ![[p:.*]], metadata !DIExpression())
14; CHECK-NEXT: bitcast
15; CHECK-NEXT: @llvm.dbg.value(metadata i32* %P, metadata ![[P:.*]], metadata !DIExpression())
16; CHECK-NEXT: @llvm.dbg.value(metadata i32 %arg, metadata ![[DEAD:.*]], metadata !DIExpression(DW_OP_plus_uconst, 1, DW_OP_stack_value))
17; CHECK-NEXT: call void @test_f()
18; CHECK-NEXT: store i32 0, i32* %P
19
20  %p = tail call i8* @malloc(i32 4)
21  %P = bitcast i8* %p to i32*
22  %DEAD = add i32 %arg, 1
23  store i32 %DEAD, i32* %P
24  call void @test_f()
25  store i32 0, i32* %P
26  ret i32* %P
27}
28
29; CHECK: ![[p]] = !DILocalVariable(name: "1"
30; CHECK: ![[P]] = !DILocalVariable(name: "2"
31; CHECK: ![[DEAD]] = !DILocalVariable(name: "3"
32