// the calculated range then it means that the alloca usage moved
// outside of the lifetime markers.
#ifndef NDEBUG
- SlotIndex Index = Indexes->getInstructionIndex(I);
- LiveInterval* Interval = Intervals[FromSlot];
- assert(Interval->find(Index) != Interval->end() &&
+ if (!I->isDebugValue()) {
+ SlotIndex Index = Indexes->getInstructionIndex(I);
+ LiveInterval* Interval = Intervals[FromSlot];
+ assert(Interval->find(Index) != Interval->end() &&
"Found instruction usage outside of live range.");
+ }
#endif
// Fix the machine instructions.
--- /dev/null
+; RUN: llc -mcpu=corei7 -no-stack-coloring=false < %s
+
+; Make sure that we don't crash when dbg values are used.
+
+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-S128"
+target triple = "x86_64-apple-macosx10.8.0"
+
+declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
+
+define void @foo() nounwind uwtable ssp {
+entry:
+ %x.i = alloca i8, align 1
+ %y.i = alloca [256 x i8], align 16
+ %0 = getelementptr inbounds [256 x i8]* %y.i, i64 0, i64 0
+ br label %for.body
+
+for.body:
+ call void @llvm.lifetime.end(i64 -1, i8* %0) nounwind
+ call void @llvm.lifetime.start(i64 -1, i8* %x.i) nounwind
+ call void @llvm.dbg.declare(metadata !{i8* %x.i}, metadata !22) nounwind
+ br label %for.body
+}
+
+declare void @llvm.lifetime.start(i64, i8* nocapture) nounwind
+
+declare void @llvm.lifetime.end(i64, i8* nocapture) nounwind
+
+!16 = metadata !{i32 786468, null, metadata !"char", null, i32 0, i64 8, i64 8, i64 0, i32 0, i32 6}
+!2 = metadata !{i32 0}
+!22 = metadata !{i32 786688, metadata !2, metadata !"x", metadata !2, i32 16, metadata !16, i32 0, i32 0}