File: fast-isel-movsbl-indexreg.ll

package info (click to toggle)
swiftlang 6.0.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 2,519,992 kB
  • sloc: cpp: 9,107,863; ansic: 2,040,022; asm: 1,135,751; python: 296,500; objc: 82,456; f90: 60,502; lisp: 34,951; pascal: 19,946; sh: 18,133; perl: 7,482; ml: 4,937; javascript: 4,117; makefile: 3,840; awk: 3,535; xml: 914; fortran: 619; cs: 573; ruby: 573
file content (20 lines) | stat: -rw-r--r-- 642 bytes parent folder | download | duplicates (15) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
 
; RUN: llc %s -o - -verify-machineinstrs -fast-isel=true | FileCheck %s

target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-unknown"

; The index register on the folded memory operand was incorrect.  Ensure we generate
; movsbl in fast-isel, but also that it passes verification which will check the register
; class.

; CHECK: movsbl

@table = external hidden global [64 x i8], align 16

define i32 @test(i32 %x, i64 %offset) {
bb:
  %tmp37 = getelementptr inbounds [64 x i8], ptr @table, i64 0, i64 %offset
  %tmp38 = load i8, ptr %tmp37, align 1
  %tmp39 = sext i8 %tmp38 to i32
  ret i32 %tmp39
}