llvm.org GIT mirror llvm / a813b38 test / CodeGen / AArch64 / inlineasm-X-allocation.ll
a813b38

Tree @a813b38 (Download .tar.gz)

inlineasm-X-allocation.ll @a813b38raw · history · blame

; RUN: llc -mtriple=aarch64-none-eabi -mattr=-fp-armv8 %s -o - | FileCheck %s  -check-prefix=nofp

; In the novfp case, the compiler is forced to assign a core register,
; even if the input is a float.

; nofp-LABEL: f1
; nofp-CHECK: ldr x0, [sp]

; This can be generated by a function such as:
;  void f1(float f) {asm volatile ("ldr $0, [sp]" : : "X" (f));}

define void @f1(float %f) {
entry:
  call void asm sideeffect "ldr $0, [sp]", "X" (float %f) nounwind

  ret void
}