================
@@ -0,0 +1,714 @@
+// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py
UTC_ARGS: --version 5
+// RUN: %clang_cc1 -triple dxil-pc-shadermodel6.0-library -disable-llvm-passes
-emit-llvm -finclude-default-header -o - %s | FileCheck %s
+
+struct TwoFloats {
+ float X, Y;
+};
+
+struct TwoInts {
+ int Z, W;
+};
+
+struct Doggo {
+ int4 LegState;
+ int TailState;
+ float HairCount;
+ float4 EarDirection[2];
+};
+
+struct AnimalBits {
+ int Legs[4];
+ uint State;
+ int64_t Counter;
+ float4 LeftDir;
+ float4 RightDir;
+};
+
+struct Kitteh {
+ int4 Legs;
+ int TailState;
+ float HairCount;
+ float4 Claws[2];
+};
+
+struct Zoo {
+ Doggo Dogs[2];
+ Kitteh Cats[4];
+};
+
+// Case 1: Extraneous braces get ignored in literal instantiation.
+// CHECK-LABEL: define void @_Z5case1v(
+// CHECK-SAME: ptr dead_on_unwind noalias writable
sret([[STRUCT_TWOFLOATS:%.*]]) align 4 [[AGG_RESULT:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-NEXT: [[ENTRY:.*:]]
+// CHECK-NEXT: call void @llvm.memcpy.p0.p0.i32(ptr align 4 [[AGG_RESULT]],
ptr align 4 @__const._Z5case1v.TF1, i32 8, i1 false)
+// CHECK-NEXT: ret void
+//
+TwoFloats case1() {
+ TwoFloats TF1 = {{{1.0, 2}}};
+ return TF1;
+}
+
+// Case 2: Valid C/C++ initializer is handled appropriately.
+// CHECK-LABEL: define void @_Z5case2v(
+// CHECK-SAME: ptr dead_on_unwind noalias writable
sret([[STRUCT_TWOFLOATS:%.*]]) align 4 [[AGG_RESULT:%.*]]) #[[ATTR0]] {
+// CHECK-NEXT: [[ENTRY:.*:]]
+// CHECK-NEXT: call void @llvm.memcpy.p0.p0.i32(ptr align 4 [[AGG_RESULT]],
ptr align 4 @__const._Z5case2v.TF2, i32 8, i1 false)
+// CHECK-NEXT: ret void
+//
+TwoFloats case2() {
+ TwoFloats TF2 = {1, 2};
+ return TF2;
+}
+
+// Case 3: Simple initialization with conversion of an argument.
+// CHECK-LABEL: define void @_Z5case3i(
+// CHECK-SAME: ptr dead_on_unwind noalias writable
sret([[STRUCT_TWOFLOATS:%.*]]) align 4 [[AGG_RESULT:%.*]], i32 noundef
[[VAL:%.*]]) #[[ATTR0]] {
+// CHECK-NEXT: [[ENTRY:.*:]]
+// CHECK-NEXT: [[VAL_ADDR:%.*]] = alloca i32, align 4
+// CHECK-NEXT: store i32 [[VAL]], ptr [[VAL_ADDR]], align 4
+// CHECK-NEXT: [[X:%.*]] = getelementptr inbounds nuw [[STRUCT_TWOFLOATS]],
ptr [[AGG_RESULT]], i32 0, i32 0
+// CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr [[VAL_ADDR]], align 4
+// CHECK-NEXT: [[CONV:%.*]] = sitofp i32 [[TMP0]] to float
+// CHECK-NEXT: store float [[CONV]], ptr [[X]], align 4
+// CHECK-NEXT: [[Y:%.*]] = getelementptr inbounds nuw [[STRUCT_TWOFLOATS]],
ptr [[AGG_RESULT]], i32 0, i32 1
+// CHECK-NEXT: store float 2.000000e+00, ptr [[Y]], align 4
+// CHECK-NEXT: ret void
+//
+TwoFloats case3(int Val) {
+ TwoFloats TF3 = {Val, 2};
+ return TF3;
+}
+
+// Case 4: Initialization from a scalarized vector into a structure with
element
+// conversions.
+// CHECK-LABEL: define void @_Z5case4Dv2_i(
+// CHECK-SAME: ptr dead_on_unwind noalias writable
sret([[STRUCT_TWOFLOATS:%.*]]) align 4 [[AGG_RESULT:%.*]], <2 x i32> noundef
[[TWOVALS:%.*]]) #[[ATTR0]] {
+// CHECK-NEXT: [[ENTRY:.*:]]
+// CHECK-NEXT: [[TWOVALS_ADDR:%.*]] = alloca <2 x i32>, align 8
+// CHECK-NEXT: store <2 x i32> [[TWOVALS]], ptr [[TWOVALS_ADDR]], align 8
+// CHECK-NEXT: [[X:%.*]] = getelementptr inbounds nuw [[STRUCT_TWOFLOATS]],
ptr [[AGG_RESULT]], i32 0, i32 0
+// CHECK-NEXT: [[TMP0:%.*]] = load <2 x i32>, ptr [[TWOVALS_ADDR]], align 8
+// CHECK-NEXT: [[VECEXT:%.*]] = extractelement <2 x i32> [[TMP0]], i64 0
+// CHECK-NEXT: [[CONV:%.*]] = sitofp i32 [[VECEXT]] to float
+// CHECK-NEXT: store float [[CONV]], ptr [[X]], align 4
+// CHECK-NEXT: [[Y:%.*]] = getelementptr inbounds nuw [[STRUCT_TWOFLOATS]],
ptr [[AGG_RESULT]], i32 0, i32 1
+// CHECK-NEXT: [[TMP1:%.*]] = load <2 x i32>, ptr [[TWOVALS_ADDR]], align 8
+// CHECK-NEXT: [[VECEXT1:%.*]] = extractelement <2 x i32> [[TMP1]], i64 1
+// CHECK-NEXT: [[CONV2:%.*]] = sitofp i32 [[VECEXT1]] to float
+// CHECK-NEXT: store float [[CONV2]], ptr [[Y]], align 4
+// CHECK-NEXT: ret void
+//
+TwoFloats case4(int2 TwoVals) {
+ TwoFloats TF4 = {TwoVals};
+ return TF4;
+}
+
+// Case 5: Initialization from a scalarized vector of matching type.
+// CHECK-LABEL: define void @_Z5case5Dv2_i(
+// CHECK-SAME: ptr dead_on_unwind noalias writable
sret([[STRUCT_TWOINTS:%.*]]) align 4 [[AGG_RESULT:%.*]], <2 x i32> noundef
[[TWOVALS:%.*]]) #[[ATTR0]] {
+// CHECK-NEXT: [[ENTRY:.*:]]
+// CHECK-NEXT: [[TWOVALS_ADDR:%.*]] = alloca <2 x i32>, align 8
+// CHECK-NEXT: store <2 x i32> [[TWOVALS]], ptr [[TWOVALS_ADDR]], align 8
+// CHECK-NEXT: [[Z:%.*]] = getelementptr inbounds nuw [[STRUCT_TWOINTS]],
ptr [[AGG_RESULT]], i32 0, i32 0
+// CHECK-NEXT: [[TMP0:%.*]] = load <2 x i32>, ptr [[TWOVALS_ADDR]], align 8
+// CHECK-NEXT: [[VECEXT:%.*]] = extractelement <2 x i32> [[TMP0]], i64 0
+// CHECK-NEXT: store i32 [[VECEXT]], ptr [[Z]], align 4
+// CHECK-NEXT: [[W:%.*]] = getelementptr inbounds nuw [[STRUCT_TWOINTS]],
ptr [[AGG_RESULT]], i32 0, i32 1
+// CHECK-NEXT: [[TMP1:%.*]] = load <2 x i32>, ptr [[TWOVALS_ADDR]], align 8
+// CHECK-NEXT: [[VECEXT1:%.*]] = extractelement <2 x i32> [[TMP1]], i64 1
+// CHECK-NEXT: store i32 [[VECEXT1]], ptr [[W]], align 4
+// CHECK-NEXT: ret void
+//
+TwoInts case5(int2 TwoVals) {
+ TwoInts TI1 = {TwoVals};
+ return TI1;
+}
+
+// Case 6: Initialization from a scalarized structure of different type with
+// different element types.
+// CHECK-LABEL: define void @_Z5case69TwoFloats(
+// CHECK-SAME: ptr dead_on_unwind noalias writable
sret([[STRUCT_TWOINTS:%.*]]) align 4 [[AGG_RESULT:%.*]], ptr noundef
byval([[STRUCT_TWOFLOATS:%.*]]) align 4 [[TF4:%.*]]) #[[ATTR0]] {
+// CHECK-NEXT: [[ENTRY:.*:]]
+// CHECK-NEXT: [[Z:%.*]] = getelementptr inbounds nuw [[STRUCT_TWOINTS]],
ptr [[AGG_RESULT]], i32 0, i32 0
+// CHECK-NEXT: [[X:%.*]] = getelementptr inbounds nuw [[STRUCT_TWOFLOATS]],
ptr [[TF4]], i32 0, i32 0
+// CHECK-NEXT: [[TMP0:%.*]] = load float, ptr [[X]], align 4
+// CHECK-NEXT: [[CONV:%.*]] = fptosi float [[TMP0]] to i32
+// CHECK-NEXT: store i32 [[CONV]], ptr [[Z]], align 4
+// CHECK-NEXT: [[W:%.*]] = getelementptr inbounds nuw [[STRUCT_TWOINTS]],
ptr [[AGG_RESULT]], i32 0, i32 1
+// CHECK-NEXT: [[Y:%.*]] = getelementptr inbounds nuw [[STRUCT_TWOFLOATS]],
ptr [[TF4]], i32 0, i32 1
+// CHECK-NEXT: [[TMP1:%.*]] = load float, ptr [[Y]], align 4
+// CHECK-NEXT: [[CONV1:%.*]] = fptosi float [[TMP1]] to i32
+// CHECK-NEXT: store i32 [[CONV1]], ptr [[W]], align 4
+// CHECK-NEXT: ret void
+//
+TwoInts case6(TwoFloats TF4) {
+ TwoInts TI2 = {TF4};
+ return TI2;
+}
+
+// Case 7: Initialization of a complex structue, with bogus braces and element
----------------
hekota wrote:
```suggestion
// Case 7: Initialization of a complex structure, with bogus braces and element
```
https://github.com/llvm/llvm-project/pull/123141
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