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TheRock/compiler/amd-llvm/clang/test/CodeGenHLSL/sgep/array_store.hlsl
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2026-09-02 16:34:47 -07:00

48 lines
1.8 KiB
HLSL

// RUN: %clang_cc1 -triple dxil-pc-shadermodel6.3-library -x hlsl -emit-llvm -finclude-default-header -fexperimental-logical-pointer -disable-llvm-passes -o - %s | FileCheck %s
// RUN: %clang_cc1 -triple spirv-linux-vulkan-library -x hlsl -emit-llvm -finclude-default-header -disable-llvm-passes -fexperimental-logical-pointer -o - %s | FileCheck %s
[shader("compute")]
[numthreads(1,1,1)]
void foo() {
// CHECK: %array = call elementtype([10 x i32]) ptr @llvm.structured.alloca.p0()
uint array[10];
// CHECK: %[[#PTR:]] = call ptr (ptr, ...) @llvm.structured.gep.p0(ptr elementtype([10 x i32]) %array, {{i32|i64}} 2)
// CHECK: store i32 10, ptr %[[#PTR]], align 4
array[2] = 10;
}
struct S {
uint a;
uint b;
};
void bar() {
// CHECK: %array = call elementtype([3 x %struct.S]) ptr @llvm.structured.alloca.p0()
S array[3] = { { 0, 1 }, { 2, 3 }, { 3, 4 } };
// CHECK: %[[#A:]] = call ptr (ptr, ...) @llvm.structured.gep.p0(ptr elementtype([3 x %struct.S]) %array, {{i32|i64}} 2)
// CHECK: %[[#B:]] = call ptr (ptr, ...) @llvm.structured.gep.p0(ptr elementtype(%struct.S) %[[#A]], {{i32|i64}} 1)
// CHECK: store i32 10, ptr %[[#B]], align 1
array[2].b = 10;
}
struct S2 {
uint a;
S b;
uint c;
};
void baz() {
// CHECK: %array = call elementtype([2 x %struct.S2]) ptr @llvm.structured.alloca.p0()
S2 array[2] = { { 0, { 1, 2 }, 3 }, { 4, { 5, 6 }, 7 } };
// CHECK: %[[#A:]] = call ptr (ptr, ...) @llvm.structured.gep.p0(ptr elementtype([2 x %struct.S2]) %array, {{i32|i64}} 1)
// CHECK: %[[#B:]] = call ptr (ptr, ...) @llvm.structured.gep.p0(ptr elementtype(%struct.S2) %[[#A]], {{i32|i64}} 1)
// CHECK: %[[#C:]] = call ptr (ptr, ...) @llvm.structured.gep.p0(ptr elementtype(%struct.S) %[[#B]], {{i32|i64}} 0)
// CHECK: store i32 10, ptr %[[#C]], align 1
array[1].b.a = 10;
}