File: 2010-11-18-SelectOfExtload.ll

package info (click to toggle)
llvm-toolchain-9 1%3A9.0.1-16
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 882,436 kB
  • sloc: cpp: 4,167,636; ansic: 714,256; asm: 457,610; python: 155,927; objc: 65,094; sh: 42,856; lisp: 26,908; perl: 7,786; pascal: 7,722; makefile: 6,881; ml: 5,581; awk: 3,648; cs: 2,027; xml: 888; javascript: 381; ruby: 156
file content (15 lines) | stat: -rw-r--r-- 412 bytes parent folder | download | duplicates (8)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
; RUN: llc < %s -mtriple=i686-- -mattr=+cmov | FileCheck %s
; Both values were being zero extended.
@u = external global i8
@s = external global i8
define i32 @foo(i1 %cond) {
; CHECK: @foo
  %u_base = load i8, i8* @u
  %u_val = zext i8 %u_base to i32
; CHECK: movzbl
; CHECK: movsbl
  %s_base = load i8, i8* @s
  %s_val = sext i8 %s_base to i32
  %val = select i1 %cond, i32 %u_val, i32 %s_val
  ret i32 %val
}