File: 2006-10-19-SignedToUnsignedCastAndConst.ll

package info (click to toggle)
llvm 2.6-9.1
  • links: PTS
  • area: main
  • in suites: squeeze
  • size: 57,604 kB
  • ctags: 44,336
  • sloc: cpp: 344,766; sh: 12,407; ansic: 10,617; ada: 3,070; ml: 2,505; perl: 2,496; makefile: 1,426; pascal: 1,163; exp: 389; asm: 307; python: 298; objc: 260; lisp: 182; csh: 117; xml: 38; f90: 36; tcl: 20
file content (12 lines) | stat: -rw-r--r-- 354 bytes parent folder | download 
1
2
3
4
5
6
7
8
9
10
11
12
 
; This test case is reduced from llvmAsmParser.cpp
; The optimizer should not remove the cast here.
; RUN: llvm-as %s -o - | opt -instcombine | llvm-dis | \
; RUN:    grep sext.*i32


define i1 @test(i16 %X) {
        %A = sext i16 %X to i32         ; <i32> [#uses=1]
        %B = icmp ugt i32 %A, 1330              ; <i1> [#uses=1]
        ret i1 %B
}