File: 2010-11-18-SelectOfExtload.ll

package info (click to toggle)
llvm-toolchain-3.8 1%3A3.8.1-24
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 379,280 kB
  • ctags: 388,501
  • sloc: cpp: 2,309,705; ansic: 477,070; objc: 100,918; asm: 97,974; python: 95,911; sh: 18,634; makefile: 7,294; perl: 5,584; ml: 5,460; pascal: 4,661; lisp: 2,548; xml: 686; cs: 350; php: 212; csh: 117
file content (15 lines) | stat: -rw-r--r-- 407 bytes parent folder | download | duplicates (6)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
; RUN: llc < %s -march=x86 -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
}