1; RUN: opt < %s -passes=debugify,dse -S | FileCheck %s 2; RUN: opt < %s -passes=debugify,dse -S --try-experimental-debuginfo-iterators | FileCheck %s 3 4target 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" 5 6declare noalias ptr @malloc(i32) 7 8declare void @test_f() 9 10define ptr @test_salvage(i32 %arg) { 11; Check that all four original local variables have their values preserved. 12; CHECK-LABEL: @test_salvage( 13; CHECK-NEXT: malloc 14; CHECK-NEXT: #dbg_value(ptr %p, ![[p:.*]], !DIExpression(), 15; CHECK-NEXT: #dbg_value(i32 %arg, ![[DEAD:.*]], !DIExpression(DW_OP_plus_uconst, 1, DW_OP_stack_value), 16; CHECK-NEXT: call void @test_f() 17; CHECK-NEXT: store i32 0, ptr %p 18 19 %p = tail call ptr @malloc(i32 4) 20 %DEAD = add i32 %arg, 1 21 store i32 %DEAD, ptr %p 22 call void @test_f() 23 store i32 0, ptr %p 24 ret ptr %p 25} 26 27; CHECK: ![[p]] = !DILocalVariable(name: "1" 28; CHECK: ![[DEAD]] = !DILocalVariable(name: "2" 29