Mercurial > hg > CbC > CbC_llvm

; RUN: llc -O0 -disable-fp-elim -mtriple=powerpc-unknown-linux-gnu -mcpu=g5 < %s | FileCheck %s -check-prefix=PPC32
; RUN: llc -O0 -mtriple=powerpc64-unknown-linux-gnu -mcpu=g5 < %s | FileCheck %s -check-prefix=PPC64

declare void @foo()

define i32 @test_cr2() nounwind uwtable {
entry:
  %ret = alloca i32, align 4
  %0 = call i32 asm sideeffect "\0A\09mtcr $4\0A\09cmpw 2,$2,$1\0A\09mfcr $0", "=r,r,r,r,r,~{cr2}"(i32 1, i32 2, i32 3, i32 0) nounwind
  store i32 %0, i32* %ret, align 4
  call void @foo()
  %1 = load i32* %ret, align 4
  ret i32 %1
}

; PPC32: stw 31, -4(1)
; PPC32: stwu 1, -32(1)
; PPC32: mfcr 12
; PPC32-NEXT: stw 12, 24(31)
; PPC32: lwz 12, 24(31)
; PPC32-NEXT: mtocrf 32, 12

; PPC64: .cfi_startproc
; PPC64: mfcr 12
; PPC64: stw 12, 8(1)
; PPC64: stdu 1, -[[AMT:[0-9]+]](1)
; PPC64: .cfi_def_cfa_offset 128
; PPC64: .cfi_offset lr, 16
; PPC64: .cfi_offset cr2, 8
; PPC64: addi 1, 1, [[AMT]]
; PPC64: lwz 12, 8(1)
; PPC64: mtocrf 32, 12
; PPC64: .cfi_endproc

define i32 @test_cr234() nounwind {
entry:
  %ret = alloca i32, align 4
  %0 = call i32 asm sideeffect "\0A\09mtcr $4\0A\09cmpw 2,$2,$1\0A\09cmpw 3,$2,$2\0A\09cmpw 4,$2,$3\0A\09mfcr $0", "=r,r,r,r,r,~{cr2},~{cr3},~{cr4}"(i32 1, i32 2, i32 3, i32 0) nounwind
  store i32 %0, i32* %ret, align 4
  call void @foo()
  %1 = load i32* %ret, align 4
  ret i32 %1
}

; PPC32: stw 31, -4(1)
; PPC32: stwu 1, -32(1)
; PPC32: mfcr 12
; PPC32-NEXT: stw 12, 24(31)
; PPC32: lwz 12, 24(31)
; PPC32-NEXT: mtocrf 32, 12
; PPC32-NEXT: mtocrf 16, 12
; PPC32-NEXT: mtocrf 8, 12

; PPC64: mfcr 12
; PPC64: stw 12, 8(1)
; PPC64: stdu 1, -[[AMT:[0-9]+]](1)
; PPC64: addi 1, 1, [[AMT]]
; PPC64: lwz 12, 8(1)
; PPC64: mtocrf 32, 12
; PPC64: mtocrf 16, 12
; PPC64: mtocrf 8, 12
author	Tatsuki IHA <e125716@ie.u-ryukyu.ac.jp>
date	Wed, 18 Feb 2015 14:55:36 +0900
parents	95c75e76d11b
children	afa8332a0e37