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[CIR] Make LLVM & OGCG variables match the same pattern #135427

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Apr 11, 2025
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[CIR] Make LLVM & OGCG variables match the same pattern #135427

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109 changes: 55 additions & 54 deletions clang/test/CIR/CodeGen/array.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -94,26 +94,27 @@ void func() {
// CIR" cir.store %[[TMP]], %[[INIT_2]] : !s32i, !cir.ptr<!s32i>

// LLVM: define void @func()
// LLVM-NEXT: %[[ARR_ALLOCA:.*]] = alloca [10 x i32], i64 1, align 16
// LLVM-NEXT: %[[ARR:.*]] = alloca [10 x i32], i64 1, align 16
// LLVM-NEXT: %[[INIT:.*]] = alloca i32, i64 1, align 4
// LLVM-NEXT: %[[INIT_2:.*]] = alloca i32, i64 1, align 4
// LLVM-NEXT: %[[ARR_PTR:.*]] = getelementptr i32, ptr %[[ARR_ALLOCA]], i32 0
// LLVM-NEXT: %[[ARR_PTR:.*]] = getelementptr i32, ptr %[[ARR]], i32 0
// LLVM-NEXT: %[[ELE_PTR:.*]] = getelementptr i32, ptr %[[ARR_PTR]], i64 0
// LLVM-NEXT: %[[TMP:.*]] = load i32, ptr %[[ELE_PTR]], align 4
// LLVM-NEXT: store i32 %[[TMP]], ptr %[[INIT]], align 4
// LLVM-NEXT: %[[ARR_PTR:.*]] = getelementptr i32, ptr %[[ARR_ALLOCA]], i32 0
// LLVM-NEXT: %[[TMP_1:.*]] = load i32, ptr %[[ELE_PTR]], align 4
// LLVM-NEXT: store i32 %[[TMP_1]], ptr %[[INIT]], align 4
// LLVM-NEXT: %[[ARR_PTR:.*]] = getelementptr i32, ptr %[[ARR]], i32 0
// LLVM-NEXT: %[[ELE_PTR:.*]] = getelementptr i32, ptr %[[ARR_PTR]], i64 1
// LLVM-NEXT: %[[TMP:.*]] = load i32, ptr %[[ELE_PTR]], align 4

// OGCG: %arr = alloca [10 x i32], align 16
// OGCG: %e = alloca i32, align 4
// OGCG: %e2 = alloca i32, align 4
// OGCG: %arrayidx = getelementptr inbounds [10 x i32], ptr %arr, i64 0, i64 0
// OGCG: %0 = load i32, ptr %arrayidx, align 16
// OGCG: store i32 %0, ptr %e, align 4
// OGCG: %arrayidx1 = getelementptr inbounds [10 x i32], ptr %arr, i64 0, i64 1
// OGCG: %1 = load i32, ptr %arrayidx1, align 4
// OGCG: store i32 %1, ptr %e2, align 4
// LLVM-NEXT: %[[TMP_2:.*]] = load i32, ptr %[[ELE_PTR]], align 4
// LLVM-NEXT: store i32 %[[TMP_2]], ptr %[[INIT_2]], align 4

// OGCG: %[[ARR:.*]] = alloca [10 x i32], align 16
// OGCG: %[[INIT:.*]] = alloca i32, align 4
// OGCG: %[[INIT_2:.*]] = alloca i32, align 4
// OGCG: %[[ELE_PTR:.*]] = getelementptr inbounds [10 x i32], ptr %[[ARR]], i64 0, i64 0
// OGCG: %[[TMP_1:.*]] = load i32, ptr %[[ELE_PTR]], align 16
// OGCG: store i32 %[[TMP_1]], ptr %[[INIT]], align 4
// OGCG: %[[ELE_PTR:.*]] = getelementptr inbounds [10 x i32], ptr %[[ARR]], i64 0, i64 1
// OGCG: %[[TMP_2:.*]] = load i32, ptr %[[ELE_PTR]], align 4
// OGCG: store i32 %[[TMP_2]], ptr %[[INIT_2]], align 4

void func2() {
int arr[2] = {5};
Expand All @@ -135,9 +136,9 @@ void func2() {
// CIR: cir.store %[[ELE_1_PTR]], %[[ELE_ALLOCA]] : !cir.ptr<!s32i>, !cir.ptr<!cir.ptr<!s32i>>

// LLVM: define void @func2()
// LLVM: %[[ARR_ALLOCA:.*]] = alloca [2 x i32], i64 1, align 4
// LLVM: %[[ARR:.*]] = alloca [2 x i32], i64 1, align 4
// LLVM: %[[TMP:.*]] = alloca ptr, i64 1, align 8
// LLVM: %[[ARR_PTR:.*]] = getelementptr i32, ptr %[[ARR_ALLOCA]], i32 0
// LLVM: %[[ARR_PTR:.*]] = getelementptr i32, ptr %[[ARR]], i32 0
// LLVM: store i32 5, ptr %[[ARR_PTR]], align 4
// LLVM: %[[ELE_1_PTR:.*]] = getelementptr i32, ptr %[[ARR_PTR]], i64 1
// LLVM: store ptr %[[ELE_1_PTR]], ptr %[[TMP]], align 8
Expand All @@ -146,8 +147,8 @@ void func2() {
// LLVM: %[[ELE_1:.*]] = getelementptr i32, ptr %[[TMP2]], i64 1
// LLVM: store ptr %[[ELE_1]], ptr %[[TMP]], align 8

// OGCG: %arr = alloca [2 x i32], align 4
// OGCG: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %arr, ptr align 4 @[[FUN2_ARR]], i64 8, i1 false)
// OGCG: %[[ARR:.*]] = alloca [2 x i32], align 4
// OGCG: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %[[ARR]], ptr align 4 @[[FUN2_ARR]], i64 8, i1 false)

void func3() {
int arr[2] = {5, 6};
Expand Down Expand Up @@ -175,31 +176,31 @@ void func3() {
// CIR: cir.store %[[ELE_TMP]], %[[INIT]] : !s32i, !cir.ptr<!s32i>

// LLVM: define void @func3()
// LLVM: %[[ARR_ALLOCA:.*]] = alloca [2 x i32], i64 1, align 4
// LLVM: %[[ARR:.*]] = alloca [2 x i32], i64 1, align 4
// LLVM: %[[IDX:.*]] = alloca i32, i64 1, align 4
// LLVM: %[[INIT:.*]] = alloca i32, i64 1, align 4
// LLVM: %[[ARR_PTR:.*]] = getelementptr i32, ptr %[[ARR_ALLOCA]], i32 0
// LLVM: %[[ARR_PTR:.*]] = getelementptr i32, ptr %[[ARR]], i32 0
// LLVM: store i32 5, ptr %[[ARR_PTR]], align 4
// LLVM: %[[ELE_1_PTR:.*]] = getelementptr i32, ptr %[[ARR_PTR]], i64 1
// LLVM: store i32 6, ptr %[[ELE_1_PTR]], align 4
// LLVM: store i32 1, ptr %[[IDX]], align 4
// LLVM: %[[TMP1:.*]] = load i32, ptr %[[IDX]], align 4
// LLVM: %[[ARR_PTR:.*]] = getelementptr i32, ptr %[[ARR_ALLOCA]], i32 0
// LLVM: %[[ARR_PTR:.*]] = getelementptr i32, ptr %[[ARR]], i32 0
// LLVM: %[[IDX_I64:.*]] = sext i32 %[[TMP1]] to i64
// LLVM: %[[ELE:.*]] = getelementptr i32, ptr %[[ARR_PTR]], i64 %[[IDX_I64]]
// LLVM: %[[TMP2:.*]] = load i32, ptr %[[ELE]], align 4
// LLVM: store i32 %[[TMP2]], ptr %[[INIT]], align 4

// OGCG: %arr = alloca [2 x i32], align 4
// OGCG: %idx = alloca i32, align 4
// OGCG: %e = alloca i32, align 4
// OGCG: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %arr, ptr align 4 @[[FUN3_ARR]], i64 8, i1 false)
// OGCG: store i32 1, ptr %idx, align 4
// OGCG: %0 = load i32, ptr %idx, align 4
// OGCG: %idxprom = sext i32 %0 to i64
// OGCG: %arrayidx = getelementptr inbounds [2 x i32], ptr %arr, i64 0, i64 %idxprom
// OGCG: %1 = load i32, ptr %arrayidx, align 4
// OGCG: store i32 %1, ptr %e, align 4
// OGCG: %[[ARR:.*]] = alloca [2 x i32], align 4
// OGCG: %[[IDX:.*]] = alloca i32, align 4
// OGCG: %[[INIT:.*]] = alloca i32, align 4
// OGCG: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %[[ARR]], ptr align 4 @[[FUN3_ARR]], i64 8, i1 false)
// OGCG: store i32 1, ptr %[[IDX]], align 4
// OGCG: %[[TMP:.*]] = load i32, ptr %[[IDX]], align 4
// OGCG: %[[IDX_I64:.*]] = sext i32 %[[TMP]] to i64
// OGCG: %[[ELE:.*]] = getelementptr inbounds [2 x i32], ptr %[[ARR]], i64 0, i64 %[[IDX_I64]]
// OGCG: %[[TMP_2:.*]] = load i32, ptr %[[ELE]], align 4
// OGCG: store i32 %[[TMP_2:.*]], ptr %[[INIT]], align 4

void func4() {
int arr[2][1] = {{5}, {6}};
Expand Down Expand Up @@ -227,28 +228,28 @@ void func4() {
// CIR: cir.store %[[TMP]], %[[INIT]] : !s32i, !cir.ptr<!s32i>

// LLVM: define void @func4()
// LLVM: %[[ARR_ALLOCA:.*]] = alloca [2 x [1 x i32]], i64 1, align 4
// LLVM: %[[ARR:.*]] = alloca [2 x [1 x i32]], i64 1, align 4
// LLVM: %[[INIT:.*]] = alloca i32, i64 1, align 4
// LLVM: %[[ARR_PTR:.*]] = getelementptr [1 x i32], ptr %[[ARR_ALLOCA]], i32 0
// LLVM: %[[ARR_PTR:.*]] = getelementptr [1 x i32], ptr %[[ARR]], i32 0
// LLVM: %[[ARR_0_0:.*]] = getelementptr i32, ptr %[[ARR_PTR]], i32 0
// LLVM: store i32 5, ptr %[[ARR_0_0]], align 4
// LLVM: %[[ARR_1:.*]] = getelementptr [1 x i32], ptr %[[ARR_PTR]], i64 1
// LLVM: %[[ARR_1_0:.*]] = getelementptr i32, ptr %[[ARR_1]], i32 0
// LLVM: store i32 6, ptr %[[ARR_1_0]], align 4
// LLVM: %[[ARR_PTR:.*]] = getelementptr [1 x i32], ptr %[[ARR_ALLOCA]], i32 0
// LLVM: %[[ARR_PTR:.*]] = getelementptr [1 x i32], ptr %[[ARR]], i32 0
// LLVM: %[[ARR_1:.*]] = getelementptr [1 x i32], ptr %[[ARR_PTR]], i64 1
// LLVM: %[[ARR_1_0:.*]] = getelementptr i32, ptr %[[ARR_1]], i32 0
// LLVM: %[[ELE_PTR:.*]] = getelementptr i32, ptr %[[ARR_1_0]], i64 0
// LLVM: %[[TMP:.*]] = load i32, ptr %[[ELE_PTR]], align 4
// LLVM: store i32 %[[TMP]], ptr %[[INIT]], align 4

// OGCG: %arr = alloca [2 x [1 x i32]], align 4
// OGCG: %e = alloca i32, align 4
// OGCG: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %arr, ptr align 4 @[[FUN4_ARR]], i64 8, i1 false)
// OGCG: %arrayidx = getelementptr inbounds [2 x [1 x i32]], ptr %arr, i64 0, i64 1
// OGCG: %arrayidx1 = getelementptr inbounds [1 x i32], ptr %arrayidx, i64 0, i64 0
// OGCG: %0 = load i32, ptr %arrayidx1, align 4
// OGCG: store i32 %0, ptr %e, align 4
// OGCG: %[[ARR:.*]] = alloca [2 x [1 x i32]], align 4
// OGCG: %[[INIT:.*]] = alloca i32, align 4
// OGCG: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %[[ARR]], ptr align 4 @[[FUN4_ARR]], i64 8, i1 false)
// OGCG: %[[ARR_1:.*]] = getelementptr inbounds [2 x [1 x i32]], ptr %[[ARR]], i64 0, i64 1
// OGCG: %[[ARR_1_0:.*]] = getelementptr inbounds [1 x i32], ptr %[[ARR_1]], i64 0, i64 0
// OGCG: %[[TMP:.*]] = load i32, ptr %[[ARR_1_0]], align 4
// OGCG: store i32 %[[TMP]], ptr %[[INIT]], align 4

void func5() {
int arr[2][1] = {{5}};
Expand All @@ -271,9 +272,9 @@ void func5() {
// CIR: cir.store %10, %[[ARR_PTR]] : !cir.ptr<!cir.array<!s32i x 1>>, !cir.ptr<!cir.ptr<!cir.array<!s32i x 1>>>

// LLVM: define void @func5()
// LLVM: %[[ARR_ALLOCA:.*]] = alloca [2 x [1 x i32]], i64 1, align 4
// LLVM: %[[ARR:.*]] = alloca [2 x [1 x i32]], i64 1, align 4
// LLVM: %[[TMP:.*]] = alloca ptr, i64 1, align 8
// LLVM: %[[ARR_PTR:.*]] = getelementptr [1 x i32], ptr %[[ARR_ALLOCA]], i32 0
// LLVM: %[[ARR_PTR:.*]] = getelementptr [1 x i32], ptr %[[ARR]], i32 0
// LLVM: %[[ARR_0:.*]] = getelementptr i32, ptr %[[ARR_PTR]], i32 0
// LLVM: store i32 5, ptr %[[ARR_0]], align 4
// LLVM: %[[ARR_1:.*]] = getelementptr [1 x i32], ptr %[[ARR_PTR]], i64 1
Expand All @@ -283,8 +284,8 @@ void func5() {
// LLVM: %[[ARR_1_PTR:.*]] = getelementptr [1 x i32], ptr %[[ARR_1_VAL]], i64 1
// LLVM: store ptr %[[ARR_1_PTR]], ptr %[[TMP]], align 8

// ORGC: %arr = alloca [2 x [1 x i32]], align 4
// ORGC: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %arr, ptr align 4 @[[FUN5_ARR]], i64 8, i1 false)
// ORGC: %[[ARR:.*]] = alloca [2 x [1 x i32]], align 4
// ORGC: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %[[ARR]], ptr align 4 @[[FUN5_ARR]], i64 8, i1 false)

void func6() {
int x = 4;
Expand Down Expand Up @@ -313,13 +314,13 @@ void func6() {
// LLVM: %[[ELE_1:.*]] = getelementptr i32, ptr %[[ELE_0]], i64 1
// LLVM: store i32 5, ptr %[[ELE_1]], align 4

// OGCG: %x = alloca i32, align 4
// OGCG: %arr = alloca [2 x i32], align 4
// OGCG: store i32 4, ptr %x, align 4
// OGCG: %0 = load i32, ptr %x, align 4
// OGCG: store i32 %0, ptr %arr, align 4
// OGCG: %arrayinit.element = getelementptr inbounds i32, ptr %arr, i64 1
// OGCG: store i32 5, ptr %arrayinit.element, align 4
// OGCG: %[[VAR:.*]] = alloca i32, align 4
// OGCG: %[[ARR:.*]] = alloca [2 x i32], align 4
// OGCG: store i32 4, ptr %[[VAR]], align 4
// OGCG: %[[ELE_0:.*]] = load i32, ptr %[[VAR]], align 4
// OGCG: store i32 %[[ELE_0]], ptr %[[ARR]], align 4
// OGCG: %[[ELE_1:.*]] = getelementptr inbounds i32, ptr %[[ARR]], i64 1
// OGCG: store i32 5, ptr %[[ELE_1:.*]], align 4

void func7() {
int* arr[1] = {};
Expand Down