File: 2009-08-17-inline-asm-addr-mode-breakage.ll

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-12
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,496,180 kB
  • sloc: cpp: 5,593,972; ansic: 986,872; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,538; xml: 953; cs: 573; fortran: 567
file content (25 lines) | stat: -rw-r--r-- 1,114 bytes parent folder | download | duplicates (4) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
 
; RUN: llc -verify-machineinstrs < %s -disable-ppc-ilp-pref | FileCheck %s
; ModuleID = '<stdin>'
target datalayout = "E-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f128:64:128"
target triple = "powerpc-unknown-linux-gnu"
; It is wrong on powerpc to substitute reg+reg for $0; the stw opcode
; would have to change.

@x = external global [0 x i32]                    ; <[0 x i32]*> [#uses=1]

define void @foo(i32 %y) nounwind ssp {
entry:
; CHECK: foo
; CHECK: add [[REG:[0-9]+]]
; CHECK: 0([[REG]])
  %y_addr = alloca i32                            ; <i32*> [#uses=2]
  %"alloca point" = bitcast i32 0 to i32          ; <i32> [#uses=0]
  store i32 %y, i32* %y_addr
  %0 = load i32, i32* %y_addr, align 4                 ; <i32> [#uses=1]
  %1 = getelementptr inbounds [0 x i32], [0 x i32]* @x, i32 0, i32 %0 ; <i32*> [#uses=1]
  call void asm sideeffect "isync\0A\09eieio\0A\09stw $1, $0", "=*o,r,~{memory}"(i32* elementtype(i32) %1, i32 0) nounwind
  br label %return

return:                                           ; preds = %entry
  ret void
}