| ; The phi should not be eliminated in this case, because the divide op could trap. |
| ; RUN: opt < %s -simplifycfg -S | FileCheck %s |
| |
| 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 = "i686-apple-darwin8" |
| @G = weak global i32 0, align 8 ; <i32*> [#uses=2] |
| |
| define void @test(i32 %X, i32 %Y, i32 %Z) { |
| entry: |
| %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] |
| %tmp = load i32, i32* @G, align 8 ; <i32> [#uses=2] |
| %tmp3 = icmp eq i32 %X, %Y ; <i1> [#uses=1] |
| %tmp34 = zext i1 %tmp3 to i8 ; <i8> [#uses=1] |
| %toBool = icmp ne i8 %tmp34, 0 ; <i1> [#uses=1] |
| br i1 %toBool, label %cond_true, label %cond_next |
| |
| cond_true: ; preds = %entry |
| %tmp7 = udiv i32 %tmp, %Z ; <i32> [#uses=1] |
| br label %cond_next |
| |
| cond_next: ; preds = %cond_true, %entry |
| ; CHECK: = phi i32 |
| %F.0 = phi i32 [ %tmp, %entry ], [ %tmp7, %cond_true ] ; <i32> [#uses=1] |
| store i32 %F.0, i32* @G, align 8 |
| ret void |
| } |
| |
