derek.holloway
7502bf64a4
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38 lines
2.0 KiB
Plaintext
38 lines
2.0 KiB
Plaintext
// REQUIRES: amdgpu-registered-target
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// RUN: %clang -cl-std=clc++2021 -emit-llvm -g -O0 -S -nogpulib -target amdgcn-amd-amdhsa -mcpu=fiji -o - %s | FileCheck %s
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// Test that the special case in EmitGlobalVariableForHeterogeneousDwarf
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// handles nullptr constants when the are actually folded. This is reduced from
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// a case which previously crashed the compiler, and the typedef is seemingly
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// required to get Clang to actually fold the constant in this case.
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// CHECK: !DIGlobalVariableExpression(var: [[VAR_GLOBAL:![0-9]+]], expr: !DIExpression(DIOpConstant(i64 0)))
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// CHECK: [[VAR_GLOBAL]] = distinct !DIGlobalVariable(name: "null_global_ptr"
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typedef global int *global_ptr;
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const global_ptr null_global_ptr = nullptr;
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bool isnull(global_ptr p) { return p == null_global_ptr; }
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// CHECK: !DIGlobalVariableExpression(var: [[VAR_PRIVATE:![0-9]+]], expr: !DIExpression(DIOpConstant(i32 -1)))
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// CHECK: [[VAR_PRIVATE]] = distinct !DIGlobalVariable(name: "null_private_ptr"
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typedef private int *private_ptr;
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const private_ptr null_private_ptr = nullptr;
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bool isnull(private_ptr p) { return p == null_private_ptr; }
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// CHECK: !DIGlobalVariableExpression(var: [[VAR_CONSTANT:![0-9]+]], expr: !DIExpression(DIOpConstant(i64 0)))
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// CHECK: [[VAR_CONSTANT]] = distinct !DIGlobalVariable(name: "null_constant_ptr"
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typedef constant int *constant_ptr;
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const constant_ptr null_constant_ptr = nullptr;
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bool isnull(constant_ptr p) { return p == null_constant_ptr; }
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// CHECK: !DIGlobalVariableExpression(var: [[VAR_LOCAL:![0-9]+]], expr: !DIExpression(DIOpConstant(i32 -1)))
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// CHECK: [[VAR_LOCAL]] = distinct !DIGlobalVariable(name: "null_local_ptr"
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typedef local int *local_ptr;
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const local_ptr null_local_ptr = nullptr;
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bool isnull(local_ptr p) { return p == null_local_ptr; }
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// CHECK: !DIGlobalVariableExpression(var: [[VAR_GENERIC:![0-9]+]], expr: !DIExpression(DIOpConstant(i64 0)))
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// CHECK: [[VAR_GENERIC]] = distinct !DIGlobalVariable(name: "null_generic_ptr"
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typedef int *generic_ptr;
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const generic_ptr null_generic_ptr = nullptr;
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bool isnull(generic_ptr p) { return p == null_generic_ptr; }
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