106 lines
2.8 KiB
C
106 lines
2.8 KiB
C
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// RUN: %clang_cc1 -triple %itanium_abi_triple -emit-llvm %s -o %t -debug-info-kind=limited
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// RUN: FileCheck %s -input-file=%t -check-prefix=CHECK-GLOBALS
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// RUN: FileCheck %s -input-file=%t -check-prefix=CHECK-1
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// RUN: FileCheck %s -input-file=%t -check-prefix=CHECK-2
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// RUN: FileCheck %s -input-file=%t -check-prefix=CHECK-3
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typedef __INTPTR_TYPE__ intptr_t;
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int foo();
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int global;
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// Single statement
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void test1() {
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int i = 0;
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#pragma clang __debug captured
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{
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static float inner = 3.0;
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(void)inner;
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i++;
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}
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// CHECK-1: %struct.anon = type { i32* }
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// CHECK-1: {{.+}} global float 3.0
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//
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// CHECK-1: @test1(
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// CHECK-1: alloca %struct.anon
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// CHECK-1: getelementptr inbounds %struct.anon, %struct.anon*
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// CHECK-1: store i32* %i
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// CHECK-1: call void @[[HelperName:__captured_stmt[\.0-9]+]]
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}
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// CHECK-1: define internal {{.*}}void @[[HelperName]](%struct.anon
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// CHECK-1: getelementptr inbounds %struct.anon{{.*}}, i32 0, i32 0
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// CHECK-1: load i32*, i32**
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// CHECK-1: load i32, i32*
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// CHECK-1: add nsw i32
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// CHECK-1: store i32
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// Compound statement with local variable
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void test2(int x) {
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#pragma clang __debug captured
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{
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int i;
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for (i = 0; i < x; i++)
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foo();
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}
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// CHECK-2: @test2(
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// CHECK-2-NOT: %i
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// CHECK-2: call void @[[HelperName:__captured_stmt[\.0-9]+]]
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}
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// CHECK-2: define internal {{.*}}void @[[HelperName]]
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// CHECK-2-NOT: }
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// CHECK-2: %i = alloca i32
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// Capture array
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void test3(int size) {
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int arr[] = {1, 2, 3, 4, 5};
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int vla_arr[size];
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#pragma clang __debug captured
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{
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arr[2] = vla_arr[size - 1];
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}
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// CHECK-3: @test3(
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// CHECK-3: alloca [5 x i32]
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// CHECK-3: call void @__captured_stmt
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}
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// Capture VLA array
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void test4(intptr_t size, intptr_t vla_arr[size]) {
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#pragma clang __debug captured
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{
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vla_arr[0] = 1;
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}
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// CHECK-3: test4([[INTPTR_T:i.+]] {{.*}}[[SIZE_ARG:%.+]], [[INTPTR_T]]*
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// CHECK-3: store [[INTPTR_T]] {{.*}}[[SIZE_ARG]], [[INTPTR_T]]* [[SIZE_ADDR:%.+]],
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// CHECK-3: [[SIZE:%.+]] = load [[INTPTR_T]], [[INTPTR_T]]* [[SIZE_ADDR]],
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// CHECK-3: [[REF:%.+]] = getelementptr inbounds
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// CHECK-3: store [[INTPTR_T]] [[SIZE]], [[INTPTR_T]]* [[REF]]
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// CHECK-3: call void @__captured_stmt
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}
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void dont_capture_global() {
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static int s;
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extern int e;
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#pragma clang __debug captured
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{
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global++;
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s++;
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e++;
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}
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// CHECK-GLOBALS: %[[Capture:struct\.anon[\.0-9]*]] = type {}
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// CHECK-GLOBALS: call void @__captured_stmt[[HelperName:[\.0-9]+]](%[[Capture]]
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}
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// CHECK-GLOBALS: define internal {{.*}}void @__captured_stmt[[HelperName]]
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// CHECK-GLOBALS-NOT: ret
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// CHECK-GLOBALS: load i32, i32* @global
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// CHECK-GLOBALS: load i32, i32* @
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// CHECK-GLOBALS: load i32, i32* @e
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// CHECK-GLOBALS-NOT: DIFlagObjectPointer
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// CHECK-1-NOT: DIFlagObjectPointer
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// CHECK-2-NOT: DIFlagObjectPointer
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// CHECK-3-NOT: DIFlagObjectPointer
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