File: 2007-08-06-MisinterpretBranch.ll

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 995,808 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (20 lines) | stat: -rw-r--r-- 590 bytes parent folder | download | duplicates (18) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
 
; RUN: opt < %s -indvars -adce -simplifycfg -S | FileCheck %s
; PR1598

; CHECK: icmp s

define i32 @f(i32 %a, i32 %b, i32 %x, i32 %y) {
entry:
	%tmp3 = icmp eq i32 %a, %b		; <i1> [#uses=1]
	br i1 %tmp3, label %return, label %bb

bb:		; preds = %bb, %entry
	%x_addr.0 = phi i32 [ %tmp6, %bb ], [ %x, %entry ]		; <i32> [#uses=1]
	%tmp6 = add i32 %x_addr.0, 1		; <i32> [#uses=3]
	%tmp9 = icmp slt i32 %tmp6, %y		; <i1> [#uses=1]
	br i1 %tmp9, label %bb, label %return

return:		; preds = %bb, %entry
	%x_addr.1 = phi i32 [ %x, %entry ], [ %tmp6, %bb ]		; <i32> [#uses=1]
	ret i32 %x_addr.1
}