| ; RUN: opt -S -passes=jump-threading < %s | FileCheck %s |
| |
| |
| ; CHECK-LABEL: @f( |
| ; CHECK-LABEL: entry: |
| ; CHECK-NEXT: br label %[[loop:.*]] |
| ; CHECK: [[loop]]: |
| ; CHECK-NEXT: br label %[[loop]] |
| |
| define void @f() { |
| entry: |
| br label %for.cond1 |
| |
| if.end16: |
| %phi1 = phi i32 [ undef, %for.cond1 ] |
| %g.3 = phi i32 [ %g.1, %for.cond1 ] |
| %sext = shl i32 %g.3, 16 |
| %conv20 = ashr exact i32 %sext, 16 |
| %tobool21 = icmp eq i32 %phi1, 0 |
| br i1 %tobool21, label %lor.rhs, label %for.cond1 |
| |
| for.cond1: |
| %g.1 = phi i32 [ 0, %entry ], [ 0, %lor.rhs ], [ %g.3, %if.end16 ] |
| br i1 undef, label %lor.rhs, label %if.end16 |
| |
| lor.rhs: |
| br label %for.cond1 |
| } |
