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-rw-r--r--llvm/lib/CodeGen/CodeGenPrepare.cpp4
-rw-r--r--llvm/test/Transforms/CodeGenPrepare/overflow-intrinsics.ll4
2 files changed, 8 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/CodeGenPrepare.cpp b/llvm/lib/CodeGen/CodeGenPrepare.cpp
index 37afed449f7..d3cbec736da 100644
--- a/llvm/lib/CodeGen/CodeGenPrepare.cpp
+++ b/llvm/lib/CodeGen/CodeGenPrepare.cpp
@@ -1164,11 +1164,15 @@ static bool CombineUAddWithOverflow(CmpInst *CI) {
auto *InsertPt = AddI->hasOneUse() ? CI : AddI;
+ DebugLoc Loc = CI->getDebugLoc();
auto *UAddWithOverflow =
CallInst::Create(F, {A, B}, "uadd.overflow", InsertPt);
+ UAddWithOverflow->setDebugLoc(Loc);
auto *UAdd = ExtractValueInst::Create(UAddWithOverflow, 0, "uadd", InsertPt);
+ UAdd->setDebugLoc(Loc);
auto *Overflow =
ExtractValueInst::Create(UAddWithOverflow, 1, "overflow", InsertPt);
+ Overflow->setDebugLoc(Loc);
CI->replaceAllUsesWith(Overflow);
AddI->replaceAllUsesWith(UAdd);
diff --git a/llvm/test/Transforms/CodeGenPrepare/overflow-intrinsics.ll b/llvm/test/Transforms/CodeGenPrepare/overflow-intrinsics.ll
index 1e413191e06..772245250d4 100644
--- a/llvm/test/Transforms/CodeGenPrepare/overflow-intrinsics.ll
+++ b/llvm/test/Transforms/CodeGenPrepare/overflow-intrinsics.ll
@@ -1,4 +1,5 @@
; RUN: opt -codegenprepare -S < %s | FileCheck %s
+; RUN: opt -enable-debugify -codegenprepare -S < %s 2>&1 | FileCheck %s -check-prefix=DEBUG
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
target triple = "x86_64-apple-darwin10.0.0"
@@ -72,3 +73,6 @@ entry:
exit:
ret i64 0
}
+
+; Check that every instruction inserted by -codegenprepare has a debug location.
+; DEBUG: CheckModuleDebugify: PASS
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