llvm-mirror/asm-reject-xmm16.ll at e87c3b7d7a2d38a704db2e26b2e47ea689d38fb5 - llvm-mirror - Git.je (Gitea)

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Craig Topper 83408784f9 [X86] Reject registers that require a REX prefix in inline asm constraints in 32-bit mode

We don't currently reject r8-r15 or xmm8-32 or bpl/spl/sil/dil in 32-bit mode.

Differential Revision: https://reviews.llvm.org/D44031

llvm-svn: 326826

2018-03-06 18:56:33 +00:00

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 ; RUN: not llc -o /dev/null %s -mtriple=x86_64-unknown-unknown 2>&1 | FileCheck %s
 ; RUN: not llc -o /dev/null %s -mtriple=i386-unknown-unknown -mattr=avx512vl 2>&1 | FileCheck %s
 ; CHECK: error: couldn't allocate output register for constraint '{xmm16}'
 define i64 @blup() {
   %v = tail call i64 asm "", "={xmm16},0"(i64 0)
   ret i64 %v
 }