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llvm-mirror/test/CodeGen/X86/ipra-inline-asm.ll
Krzysztof Parzyszek 2a0fcfa9bf [X86] Add phony registers for high halves of regs with low halves
Add registers still missing after r328016 (D43353):
- for bits 15-8  of SI, DI, BP, SP (*H), and R8-R15 (*BH),
- for bits 31-16 of R8-R15 (*WH).

Thanks to Craig Topper for pointing it out.

llvm-svn: 336134
2018-07-02 19:05:09 +00:00

21 lines
681 B
LLVM

; RUN: llc -enable-ipra -print-regusage -o /dev/null 2>&1 < %s | FileCheck %s
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx10.12.0"
; Verify that bar does not clobber anything
; CHECK-NOT: bar Clobbered Registers:{{.+}}
; CHECK: bar Clobbered Registers:
define void @bar() #0 {
ret void
}
; Verifies that inline assembly is correctly handled by giving a list of clobbered registers
; CHECK: foo Clobbered Registers: $ah $al $ax $ch $cl $cx $di $dih $dil $eax $ecx $edi $hax $hcx $hdi $rax $rcx $rdi
define void @foo() #0 {
call void asm sideeffect "", "~{eax},~{ecx},~{edi}"() #0
ret void
}
attributes #0 = { nounwind }