--- /dev/null
+; RUN: opt -passes=argpromotion -S %s | FileCheck %s
+
+define internal i32 @callee2(i32* noundef %0) {
+; CHECK-LABEL: define {{[^@]+}}@callee2
+; CHECK-SAME: (i32 [[P_0:%.*]], i32 [[P_1:%.*]]) {
+; CHECK-NEXT: [[SUM:%.*]] = add nsw i32 [[P_0]], [[P_1]]
+; CHECK-NEXT: ret i32 [[SUM]]
+;
+ %2 = getelementptr inbounds i32, i32* %0, i64 0
+ %3 = load i32, i32* %2, align 4
+ %4 = getelementptr inbounds i32, i32* %0, i64 1
+ %5 = load i32, i32* %4, align 4
+ %6 = add nsw i32 %3, %5
+ ret i32 %6
+}
+
+define i32 @caller2(i32 %0, i32 %1) {
+; CHECK-LABEL: define {{[^@]+}}@caller2
+; CHECK-SAME: (i32 [[P_0:%.*]], i32 [[P_1:%.*]]) {
+; CHECK-NEXT: [[TMP1:%.*]] = alloca [2 x i32], align 4
+; CHECK-NEXT: [[PL_0:%.*]] = getelementptr inbounds [2 x i32], [2 x i32]* [[TMP1]], i64 0, i64 0
+; CHECK-NEXT: store i32 [[P_0]], i32* [[PL_0]], align 4
+; CHECK-NEXT: [[PL_1:%.*]] = getelementptr inbounds i32, i32* [[PL_0]], i64 1
+; CHECK-NEXT: store i32 [[P_1]], i32* [[PL_1]], align 4
+; CHECK-NEXT: [[PL_2:%.*]] = getelementptr inbounds [2 x i32], [2 x i32]* [[TMP1]], i64 0, i64 0
+; CHECK-NEXT: [[VAL_0:%.*]] = load i32, i32* [[PL_2]], align 4
+; CHECK-NEXT: [[PL_3:%.*]] = getelementptr i32, i32* [[PL_2]], i64 1
+; CHECK-NEXT: [[VAL_1:%.*]] = load i32, i32* [[PL_3]], align 4
+; CHECK-NEXT: [[RES:%.*]] = call i32 @callee2(i32 [[VAL_0]], i32 [[VAL_1]])
+; CHECK-NEXT: ret i32 [[RES]]
+;
+ %3 = alloca [2 x i32], align 4
+ %4 = getelementptr inbounds [2 x i32], [2 x i32]* %3, i64 0, i64 0
+ store i32 %0, i32* %4, align 4
+ %5 = getelementptr inbounds i32, i32* %4, i64 1
+ store i32 %1, i32* %5, align 4
+ %6 = getelementptr inbounds [2 x i32], [2 x i32]* %3, i64 0, i64 0
+ %7 = call i32 @callee2(i32* noundef %6)
+ ret i32 %7
+}
+
+define internal i32 @callee3(i32* noundef %0) {
+; CHECK-LABEL: define {{[^@]+}}@callee3
+; CHECK-SAME: (i32* noundef [[P_0:%.*]]) {
+; CHECK-NEXT: [[PL_0:%.*]] = getelementptr inbounds i32, i32* [[P_0]], i64 0
+; CHECK-NEXT: [[VAL_0:%.*]] = load i32, i32* [[PL_0]], align 4
+; CHECK-NEXT: [[PL_1:%.*]] = getelementptr inbounds i32, i32* [[P_0]], i64 1
+; CHECK-NEXT: [[VAL_1:%.*]] = load i32, i32* [[PL_1]], align 4
+; CHECK-NEXT: [[SUM_0:%.*]] = add nsw i32 [[VAL_0]], [[VAL_1]]
+; CHECK-NEXT: [[PL_2:%.*]] = getelementptr inbounds i32, i32* [[P_0]], i64 2
+; CHECK-NEXT: [[VAL_2:%.*]] = load i32, i32* [[PL_2]], align 4
+; CHECK-NEXT: [[RES:%.*]] = add nsw i32 [[SUM_0]], [[VAL_2]]
+; CHECK-NEXT: ret i32 [[RES]]
+;
+ %2 = getelementptr inbounds i32, i32* %0, i64 0
+ %3 = load i32, i32* %2, align 4
+ %4 = getelementptr inbounds i32, i32* %0, i64 1
+ %5 = load i32, i32* %4, align 4
+ %6 = add nsw i32 %3, %5
+ %7 = getelementptr inbounds i32, i32* %0, i64 2
+ %8 = load i32, i32* %7, align 4
+ %9 = add nsw i32 %6, %8
+ ret i32 %9
+}
+
+define i32 @caller3(i32 %0, i32 %1, i32 %2) {
+; CHECK-LABEL: define {{[^@]+}}@caller3
+; CHECK-SAME: (i32 [[P_0:%.*]], i32 [[P_1:%.*]], i32 [[P_2:%.*]]) {
+; CHECK-NEXT: [[TMP1:%.*]] = alloca [3 x i32], align 4
+; CHECK-NEXT: [[PL_0:%.*]] = getelementptr inbounds [3 x i32], [3 x i32]* [[TMP1]], i64 0, i64 0
+; CHECK-NEXT: store i32 [[P_0]], i32* [[PL_0]], align 4
+; CHECK-NEXT: [[PL_1:%.*]] = getelementptr inbounds i32, i32* [[PL_0]], i64 1
+; CHECK-NEXT: store i32 [[P_1]], i32* [[PL_1]], align 4
+; CHECK-NEXT: [[PL_2:%.*]] = getelementptr inbounds i32, i32* [[PL_1]], i64 1
+; CHECK-NEXT: store i32 [[P_2]], i32* [[PL_2]], align 4
+; CHECK-NEXT: [[PL_3:%.*]] = getelementptr inbounds [3 x i32], [3 x i32]* [[TMP1]], i64 0, i64 0
+; CHECK-NEXT: [[RES:%.*]] = call i32 @callee3(i32* noundef [[PL_3]])
+; CHECK-NEXT: ret i32 [[RES]]
+;
+ %4 = alloca [3 x i32], align 4
+ %5 = getelementptr inbounds [3 x i32], [3 x i32]* %4, i64 0, i64 0
+ store i32 %0, i32* %5, align 4
+ %6 = getelementptr inbounds i32, i32* %5, i64 1
+ store i32 %1, i32* %6, align 4
+ %7 = getelementptr inbounds i32, i32* %6, i64 1
+ store i32 %2, i32* %7, align 4
+ %8 = getelementptr inbounds [3 x i32], [3 x i32]* %4, i64 0, i64 0
+ %9 = call i32 @callee3(i32* noundef %8)
+ ret i32 %9
+}