This mirror's Dan's patch for llvm-gcc in r97989, and fixes the miscompilation in PR6525. There is some contention over whether this is the right thing to do, but it is the conservative answer and demonstrably fixes a miscompilation. llvm-svn: 101877
30 lines
589 B
C
30 lines
589 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_(.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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