diff --git a/lib/Target/Hexagon/HexagonNewValueJump.cpp b/lib/Target/Hexagon/HexagonNewValueJump.cpp index d73fc7c7318..de6b203015d 100644 --- a/lib/Target/Hexagon/HexagonNewValueJump.cpp +++ b/lib/Target/Hexagon/HexagonNewValueJump.cpp @@ -629,7 +629,7 @@ bool HexagonNewValueJump::runOnMachineFunction(MachineFunction &MF) { if (MO.isReg() && MO.isUse()) { unsigned feederReg = MO.getReg(); for (MachineBasicBlock::iterator localII = feederPos, - end = jmpPos; localII != end; localII++) { + end = cmpInstr->getIterator(); localII != end; localII++) { MachineInstr &localMI = *localII; for (unsigned j = 0; j < localMI.getNumOperands(); j++) { MachineOperand &localMO = localMI.getOperand(j); diff --git a/test/CodeGen/Hexagon/newvaluejump-kill.ll b/test/CodeGen/Hexagon/newvaluejump-kill.ll new file mode 100644 index 00000000000..5aab4f82b72 --- /dev/null +++ b/test/CodeGen/Hexagon/newvaluejump-kill.ll @@ -0,0 +1,53 @@ +; RUN: llc -march=hexagon -O3 -verify-machineinstrs < %s | FileCheck %s +; +; Check that this testcase compiles successfully and that a new-value jump +; has been created. +; CHECK: if (cmp.gtu(r{{[0-9]+}}.new,r{{[0-9]+}})) jump + +target triple = "hexagon" + +@g0 = external hidden unnamed_addr global [182 x i16], align 8 + +define void @fred(i16 signext %a0) local_unnamed_addr #0 { +b1: + %v2 = getelementptr inbounds [182 x i16], [182 x i16]* @g0, i32 0, i32 0 + %v3 = sext i16 %a0 to i32 + %v4 = call i32 @llvm.hexagon.A2.asrh(i32 undef) + %v5 = trunc i32 %v4 to i16 + br i1 undef, label %b6, label %b14 + +b6: ; preds = %b1 + %v7 = sext i16 %v5 to i32 + br label %b8 + +b8: ; preds = %b8, %b6 + %v9 = phi i32 [ 128, %b6 ], [ %v13, %b8 ] + %v10 = sub nsw i32 %v9, %v7 + %v11 = getelementptr inbounds [182 x i16], [182 x i16]* @g0, i32 0, i32 %v10 + %v12 = load i16, i16* %v11, align 2 + %v13 = add nuw nsw i32 %v9, 1 + br label %b8 + +b14: ; preds = %b1 + br i1 undef, label %b16, label %b15 + +b15: ; preds = %b14 + unreachable + +b16: ; preds = %b14 + %v17 = getelementptr [182 x i16], [182 x i16]* @g0, i32 0, i32 %v3 + %v18 = icmp ugt i16* %v17, %v2 + %v19 = or i1 %v18, undef + br i1 %v19, label %b20, label %b21 + +b20: ; preds = %b16 + unreachable + +b21: ; preds = %b16 + ret void +} + +declare i32 @llvm.hexagon.A2.asrh(i32) #1 + +attributes #0 = { nounwind "target-cpu"="hexagonv62" } +attributes #1 = { nounwind readnone }