19 lines
785 B
LLVM
19 lines
785 B
LLVM
; Check that basic block section is emitted when a non-entry block has no predecessors.
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; RUN: llc < %s -mtriple=x86_64 -O0 -basic-block-sections=all | FileCheck %s --check-prefix=CHECK-SECTIONS
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; RUN: llc < %s -mtriple=x86_64 -O0 | FileCheck %s --check-prefix=CHECK-NOSECTIONS
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define void @foo(i32* %bar) {
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%v = load i32, i32* %bar
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switch i32 %v, label %default [
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i32 0, label %target
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]
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target:
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ret void
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;; This is the block which will not have any predecessors. If the block is not garbage collected, it must
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;; be placed in a basic block section with a corresponding symbol.
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default:
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unreachable
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; CHECK-NOSECTIONS: # %bb.2: # %default
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; CHECK-SECTIONS: .section .text.foo,"ax",@progbits,unique,2
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; CHECK-SECTIONS-NEXT: foo.__part.2: # %default
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}
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