File: test-shrink-bug.ll

package info (click to toggle)
llvm-toolchain-3.5 1%3A3.5-10
  • links: PTS, VCS
  • area: main
  • in suites: jessie, jessie-kfreebsd
  • size: 282,028 kB
  • ctags: 310,872
  • sloc: cpp: 1,883,926; ansic: 310,731; objc: 86,612; python: 79,565; asm: 65,844; sh: 9,829; makefile: 6,057; perl: 5,589; ml: 5,254; pascal: 3,285; lisp: 1,640; xml: 686; cs: 239; csh: 117
file content (23 lines) | stat: -rw-r--r-- 915 bytes parent folder | download | duplicates (8)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
; RUN: llc < %s | FileCheck %s

; Codegen shouldn't reduce the comparison down to testb $-1, %al
; because that changes the result of the signed test.
; PR5132
; CHECK: testw  $255, %ax

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-f80:128:128"
target triple = "i386-apple-darwin10.0"

@g_14 = global i8 -6, align 1                     ; <i8*> [#uses=1]

declare i32 @func_16(i8 signext %p_19, i32 %p_20) nounwind

define i32 @func_35(i64 %p_38) nounwind ssp {
entry:
  %tmp = load i8* @g_14                           ; <i8> [#uses=2]
  %conv = zext i8 %tmp to i32                     ; <i32> [#uses=1]
  %cmp = icmp sle i32 1, %conv                    ; <i1> [#uses=1]
  %conv2 = zext i1 %cmp to i32                    ; <i32> [#uses=1]
  %call = call i32 @func_16(i8 signext %tmp, i32 %conv2) ssp ; <i32> [#uses=1]
  ret i32 1
}