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When processing inline asm that contains errors, make sure we can recover gracefully by creating an UNDEF SDValue for the inline asm statement before returning from SelectionDAGBuilder::visitInlineAsm. This is necessary for consumers that don't exit on the first error that is emitted (e.g. clang) and that would assert later on. Fixes PR24071. Patch by Diana Picus. llvm-svn: 269811
12 lines
373 B
LLVM
12 lines
373 B
LLVM
; RUN: not llc -march=arm64 < %s 2> %t
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; RUN: FileCheck --check-prefix=CHECK-ERRORS < %t %s
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; Check for at least one invalid constant.
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; CHECK-ERRORS: error: invalid operand for inline asm constraint 'N'
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define i32 @constraint_N(i32 %i, i32 %j) nounwind {
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entry:
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%0 = tail call i32 asm sideeffect "movk $0, $1", "=r,N"(i64 1311761352401879040) nounwind
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ret i32 %0
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}
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