• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1; RUN: opt < %s -indvars -adce -simplifycfg -S | FileCheck %s
2; PR1598
3
4; CHECK: icmp s
5
6define i32 @f(i32 %a, i32 %b, i32 %x, i32 %y) {
7entry:
8	%tmp3 = icmp eq i32 %a, %b		; <i1> [#uses=1]
9	br i1 %tmp3, label %return, label %bb
10
11bb:		; preds = %bb, %entry
12	%x_addr.0 = phi i32 [ %tmp6, %bb ], [ %x, %entry ]		; <i32> [#uses=1]
13	%tmp6 = add i32 %x_addr.0, 1		; <i32> [#uses=3]
14	%tmp9 = icmp slt i32 %tmp6, %y		; <i1> [#uses=1]
15	br i1 %tmp9, label %bb, label %return
16
17return:		; preds = %bb, %entry
18	%x_addr.1 = phi i32 [ %x, %entry ], [ %tmp6, %bb ]		; <i32> [#uses=1]
19	ret i32 %x_addr.1
20}
21