forked from OSchip/llvm-project
33 lines
909 B
C
33 lines
909 B
C
// RUN: %clang -O1 %s -S -c -emit-llvm -o - | FileCheck %s
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// RUN: %clang -O1 %s -S -c -emit-llvm -o - | opt -ipconstprop -S | FileCheck --check-prefix=IPCP %s
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// CHECK: declare !callback ![[cid:[0-9]+]] dso_local 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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#include <pthread.h>
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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-NEXT: entry:
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// IPCP-NEXT: 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-NEXT: entry:
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// IPCP-NEXT: 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, NULL, callee0, NULL);
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pthread_t MySecondThread;
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pthread_create(&MySecondThread, NULL, callee1, (void *)&GlobalVar);
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}
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