R->getRawSubclassOptionalData()))
return Res;
+ if (const AllocaInst *AI = dyn_cast<AllocaInst>(L)) {
+ if (int Res = cmpTypes(AI->getAllocatedType(),
+ cast<AllocaInst>(R)->getAllocatedType()))
+ return Res;
+ if (int Res =
+ cmpNumbers(AI->getAlignment(), cast<AllocaInst>(R)->getAlignment()))
+ return Res;
+ }
+
// We have two instructions of identical opcode and #operands. Check to see
// if all operands are the same type
for (unsigned i = 0, e = L->getNumOperands(); i != e; ++i) {
--- /dev/null
+; RUN: opt -mergefunc -S < %s | FileCheck %s
+
+;; Make sure that two different sized allocas are not treated as equal.
+
+target datalayout = "e-m:w-p:32:32-i64:64-f80:32-n8:16:32-S32"
+
+%kv1 = type { i32, i32 }
+%kv2 = type { i8 }
+
+
+define void @a(i8 *%f) {
+ %v = alloca %kv1, align 8
+ %f_2 = bitcast i8* %f to void (%kv1 *)*
+ call void %f_2(%kv1 * %v)
+ call void %f_2(%kv1 * %v)
+ call void %f_2(%kv1 * %v)
+ call void %f_2(%kv1 * %v)
+ ret void
+}
+
+; CHECK-LABEL: define void @b
+; CHECK-NOT: call @a
+; CHECK: ret
+
+define void @b(i8 *%f) {
+ %v = alloca %kv2, align 8
+ %f_2 = bitcast i8* %f to void (%kv2 *)*
+ call void %f_2(%kv2 * %v)
+ call void %f_2(%kv2 * %v)
+ call void %f_2(%kv2 * %v)
+ call void %f_2(%kv2 * %v)
+ ret void
+}