From 5006e43faf97ace108be49237cc2644c81e801be Mon Sep 17 00:00:00 2001 From: Victor Hernandez Date: Sat, 23 Jan 2010 00:17:34 +0000 Subject: In mem2reg, for all alloca/stores that get promoted where the alloca has an associated llvm.dbg.declare instrinsic, insert an llvm.dbg.var intrinsic before each store llvm-svn: 94260 --- llvm/test/Transforms/Mem2Reg/ConvertDebugInfo.ll | 31 ++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 llvm/test/Transforms/Mem2Reg/ConvertDebugInfo.ll (limited to 'llvm/test/Transforms/Mem2Reg/ConvertDebugInfo.ll') diff --git a/llvm/test/Transforms/Mem2Reg/ConvertDebugInfo.ll b/llvm/test/Transforms/Mem2Reg/ConvertDebugInfo.ll new file mode 100644 index 00000000000..8e309c0901e --- /dev/null +++ b/llvm/test/Transforms/Mem2Reg/ConvertDebugInfo.ll @@ -0,0 +1,31 @@ +; RUN: opt < %s -mem2reg -S | FileCheck %s + +target 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" + +define double @testfunc(i32 %i, double %j) { + %I = alloca i32 ; [#uses=4] + call void @llvm.dbg.declare(metadata !{i32* %I}, metadata !0) + %J = alloca double ; [#uses=2] + call void @llvm.dbg.declare(metadata !{double* %J}, metadata !1) +; CHECK: call void @llvm.dbg.value(metadata !{i32 %i}, i64 0, metadata !0) + store i32 %i, i32* %I +; CHECK: call void @llvm.dbg.value(metadata !{double %j}, i64 0, metadata !1) + store double %j, double* %J + %t1 = load i32* %I ; [#uses=1] + %t2 = add i32 %t1, 1 ; [#uses=1] + store i32 %t2, i32* %I + %t3 = load i32* %I ; [#uses=1] + %t4 = sitofp i32 %t3 to double ; [#uses=1] + %t5 = load double* %J ; [#uses=1] + %t6 = fmul double %t4, %t5 ; [#uses=1] + ret double %t6 +} + +declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone + +!bar = !{!0} +!foo = !{!2} + +!0 = metadata !{i32 459008, metadata !1, metadata !"foo", metadata !2, i32 5, metadata !"foo"} ; [ DW_TAG_auto_variable ] +!1 = metadata !{i32 459008, metadata !1, metadata !"foo", metadata !0, i32 5, metadata !1} ; [ DW_TAG_auto_variable ] +!2 = metadata !{i32 458804, i32 0, metadata !2, metadata !"foo", metadata !"bar", metadata !"bar", metadata !2, i32 3, metadata !0, i1 false, i1 true} ; [ DW_TAG_variable ] -- cgit v1.2.3