42 lines
1.2 KiB
C
42 lines
1.2 KiB
C
// RUN: %clang_cc1 -O1 %s -S -emit-llvm -o - | FileCheck %s
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// RUN: %clang_cc1 -O1 %s -S -emit-llvm -o - | opt -ipconstprop -S | FileCheck --check-prefix=IPCP %s
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// CHECK: declare !callback ![[cid:[0-9]+]] {{.*}}i32 @pthread_create
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// CHECK: ![[cid]] = !{![[cidb:[0-9]+]]}
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// CHECK: ![[cidb]] = !{i64 2, i64 3, i1 false}
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// Taken from test/Analysis/retain-release.m
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//{
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struct _opaque_pthread_t {};
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struct _opaque_pthread_attr_t {};
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typedef struct _opaque_pthread_t *__darwin_pthread_t;
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typedef struct _opaque_pthread_attr_t __darwin_pthread_attr_t;
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typedef __darwin_pthread_t pthread_t;
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typedef __darwin_pthread_attr_t pthread_attr_t;
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int pthread_create(pthread_t *, const pthread_attr_t *,
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void *(*)(void *), void *);
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//}
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const int GlobalVar = 0;
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static void *callee0(void *payload) {
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// IPCP: define internal i8* @callee0
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// IPCP: ret i8* null
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return payload;
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}
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static void *callee1(void *payload) {
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// IPCP: define internal i8* @callee1
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// IPCP: ret i8* bitcast (i32* @GlobalVar to i8*)
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return payload;
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}
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void foo() {
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pthread_t MyFirstThread;
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pthread_create(&MyFirstThread, 0, callee0, 0);
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pthread_t MySecondThread;
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pthread_create(&MySecondThread, 0, callee1, (void *)&GlobalVar);
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}
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