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d60307ede1
This fixes a bug where we'd crash given code like the test-case from https://bugs.llvm.org/show_bug.cgi?id=30792 . Instead, we let the offending clobber silently slide through. This doesn't fully fix said bug, since the assembler will still complain the moment it sees a crypto/fp/vector op, and we still don't diagnose calls that require vector regs. Differential Revision: https://reviews.llvm.org/D39030 llvm-svn: 316374
19 lines
454 B
LLVM
19 lines
454 B
LLVM
; RUN: llc < %s | FileCheck %s
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;
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; Be sure that we ignore clobbers of unallocatable registers, rather than
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; crashing.
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target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
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target triple = "aarch64"
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; CHECK-LABEL: foo:
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; CHECK: ret
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define void @foo() #0 {
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entry:
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call void asm sideeffect "", "~{v0}"()
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call void asm sideeffect "", "~{s0}"()
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ret void
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}
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attributes #0 = { nounwind "target-features"="-crypto,-fp-armv8,-neon" }
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