848812a55e
Verify that the resolver exists, that it is a defined Function, and that its return type matches the ifunc's type. Add corresponding check to BitcodeReader, change clang to emit the correct type, and fix tests to comply. Reviewed By: MaskRay Differential Revision: https://reviews.llvm.org/D112349
42 lines
785 B
C
42 lines
785 B
C
// RUN: %clang_cc1 -triple i386-unknown-linux-gnu -emit-llvm -o - %s | FileCheck %s
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// RUN: %clang_cc1 -triple i386-unknown-linux-gnu -O2 -emit-llvm -o - %s | FileCheck %s
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int foo(int) __attribute__ ((ifunc("foo_ifunc")));
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static int f1(int i) {
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return i + 1;
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}
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static int f2(int i) {
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return i + 2;
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}
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typedef int (*foo_t)(int);
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int global;
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static foo_t foo_ifunc() {
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return global ? f1 : f2;
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}
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int bar() {
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return foo(1);
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}
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extern void goo(void);
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void bar2(void) {
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goo();
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}
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extern void goo(void) __attribute__ ((ifunc("goo_ifunc")));
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void* goo_ifunc(void) {
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return 0;
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}
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// CHECK: @foo = ifunc i32 (i32), i32 (i32)* ()* @foo_ifunc
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// CHECK: @goo = ifunc void (), bitcast (i8* ()* @goo_ifunc to void ()* ()*)
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// CHECK: call i32 @foo(i32
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// CHECK: call void @goo()
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