1b1c8d83d3
Turning on `enable_noundef_analysis` flag allows better codegen by removing freeze instructions. I modified clang by renaming `enable_noundef_analysis` flag to `disable-noundef-analysis` and turning it off by default. Test updates are made as a separate patch: D108453 Reviewed By: eugenis Differential Revision: https://reviews.llvm.org/D105169
27 lines
813 B
Objective-C
27 lines
813 B
Objective-C
// RUN: %clang_cc1 -emit-llvm -dwarf-version=2 -debug-info-kind=limited -fblocks -o - -x objective-c %s| FileCheck %s
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// This code triggered a bug where a dbg.declare intrinsic ended up with the
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// wrong parent and subsequently failed the Verifier.
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void baz(id b);
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void fub(id block);
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int foo(void);
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void bar(void) {
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fub(^() {
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id a;
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id b = [a bar:^(int e){}];
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if (b) {
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^() {
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if ((0 && foo()) ? 1 : 0) {
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baz([a aMessage]);
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}
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};
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}
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});
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}
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// Verify that debug info for BlockPointerDbgLoc is emitted for the
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// innermost block.
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//
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// CHECK: define {{.*}}void @__bar_block_invoke_3(i8* noundef %.block_descriptor)
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// CHECK: %[[BLOCKADDR:.*]] = alloca <{{.*}}>*, align
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// CHECK: call void @llvm.dbg.declare(metadata {{.*}}%[[BLOCKADDR]]
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