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721e3acccd
When truncated vector stores were being custom lowered in VectorLegalizer::LegalizeOp(), the old (illegal) and new (legal) node pair was not being added to LegalizedNodes list. Instead of the legalized result being passed to VectorLegalizer::TranslateLegalizeResult(), the result was being passed back into VectorLegalizer::LegalizeOp(), which ended up adding a (new, new) pair to the list instead. This was causing an assertion failure when a custom lowered truncated vector store was the last instruction a basic block and the VectorLegalizer was unable to find it in the LegalizedNodes list when updating the DAG root. llvm-svn: 188953
21 lines
560 B
LLVM
21 lines
560 B
LLVM
; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s
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; This tests for a bug in the SelectionDAG where custom lowered truncated
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; vector stores at the end of a basic block were not being added to the
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; LegalizedNodes list, which triggered an assertion failure.
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; CHECK-LABEL: @test
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; CHECK: MEM_RAT_CACHELESS STORE_RAW
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define void @test(<4 x i8> addrspace(1)* %out, i32 %cond, <4 x i8> %in) {
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entry:
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%0 = icmp eq i32 %cond, 0
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br i1 %0, label %if, label %done
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if:
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store <4 x i8> %in, <4 x i8> addrspace(1)* %out
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br label %done
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done:
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ret void
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}
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