forked from OSchip/llvm-project
43 lines
913 B
C
43 lines
913 B
C
// RUN: %clang_cc1 -triple i386-unknown-unknown %s -emit-llvm -o %t -fblocks
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void (^f)(void) = ^{};
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// rdar://6768379
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int f0(int (^a0)()) {
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return a0(1, 2, 3);
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}
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// Verify that attributes on blocks are set correctly.
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typedef struct s0 T;
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struct s0 {
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int a[64];
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};
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// RUN: grep 'internal void @__f2_block_invoke_0(.struct.s0\* sret .*, .*, .* byval .*)' %t
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struct s0 f2(struct s0 a0) {
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return ^(struct s0 a1){ return a1; }(a0);
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}
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// This should not crash: rdar://6808051
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void *P = ^{
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void *Q = __func__;
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};
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void (^test1)(void) = ^(void) {
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__block int i;
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^ { i = 1; }();
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};
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typedef double ftype(double);
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// It's not clear that we *should* support this syntax, but until that decision
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// is made, we should support it properly and not crash.
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ftype ^test2 = ^ftype {
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return 0;
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};
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// rdar://problem/8605032
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void f3_helper(void (^)(void));
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void f3() {
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_Bool b = 0;
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f3_helper(^{ if (b) {} });
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}
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