File: sunkaddr-ext.ll

package info (click to toggle)
llvm-toolchain-3.7 1%3A3.7.1-5
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 345,556 kB
  • ctags: 362,199
  • sloc: cpp: 2,156,381; ansic: 458,339; objc: 91,547; python: 89,988; asm: 86,305; sh: 21,479; makefile: 6,853; perl: 5,601; ml: 5,458; pascal: 3,933; lisp: 2,429; xml: 686; cs: 239; php: 202; csh: 117
file content (26 lines) | stat: -rw-r--r-- 797 bytes parent folder | download | duplicates (19)
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
26
; RUN: llc < %s | FileCheck %s

; Test to make sure that if math that can roll over has been used we don't
; use the potential overflow as the basis for an address calculation later by
; sinking it into a different basic block.

target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx10.9.0"

; Function Attrs: nounwind ssp uwtable
define void @test_sink(i8* %arg1, i32 %arg2, i8 %arg3) #0 {
  %tmp1 = add i32 -2147483648, %arg2
  %tmp2 = add i32 -2147483648, %tmp1
  %tmp3 = getelementptr i8, i8* %arg1, i32 %arg2
  br label %bb1

bb1:
  %tmp4 = getelementptr i8, i8* %arg1, i32 %tmp2
  store i8 %arg3, i8* %tmp4
  ret void;
}

; CHECK-LABEL: test_sink:
; CHECK:   movslq  %esi, [[TEMP:%[a-z0-9]+]]
; CHECK:   movb    %dl, (%rdi,[[TEMP]])
; CHECK:   retq