auto GTI = gep_type_begin(PointeeType, Operands);
Type *TargetType = nullptr;
+
+ // Handle the case where the GEP instruction has a single operand,
+ // the basis, therefore TargetType is a nullptr.
+ if (Operands.empty())
+ return !BaseGV ? TTI::TCC_Free : TTI::TCC_Basic;
+
for (auto I = Operands.begin(); I != Operands.end(); ++I, ++GTI) {
TargetType = GTI.getIndexedType();
// We assume that the cost of Scalar GEP with constant index and the
--- /dev/null
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: opt < %s -S -simplifycfg | FileCheck %s
+
+target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
+target triple = "thumbv7m-none--eabi"
+
+@glob = external unnamed_addr constant [16 x i8]
+
+define void @f() {
+; CHECK-LABEL: @f(
+; CHECK-NEXT: entr:
+; CHECK-NEXT: br i1 undef, label [[NEXT:%.*]], label [[EXIT:%.*]]
+; CHECK: next:
+; CHECK-NEXT: [[PAT:%.*]] = getelementptr [16 x i8], [16 x i8]* @glob
+; CHECK-NEXT: br label [[EXIT]]
+; CHECK: exit:
+; CHECK-NEXT: ret void
+;
+entr:
+ br i1 undef, label %next, label %exit
+
+next:
+ %pat = getelementptr [16 x i8], [16 x i8]* @glob
+ br label %exit
+
+exit:
+ ret void
+}