| ; RUN: llc -march=x86-64 < %s | FileCheck %s |
| |
| ; LSR should compute the correct starting values for this loop. Note that |
| ; it's not necessarily LSR's job to compute loop exit expressions; that's |
| ; indvars' job. |
| ; CHECK: movl $12 |
| ; CHECK: movl $42 |
| |
| define i32 @real_symmetric_eigen(i32 %n) nounwind { |
| while.body127: ; preds = %while.cond122 |
| br label %while.cond141 |
| |
| while.cond141: ; preds = %while.cond141, %while.body127 |
| %0 = phi i32 [ 7, %while.body127 ], [ %indvar.next67, %while.cond141 ] ; <i32> [#uses=3] |
| %indvar.next67 = add i32 %0, 1 ; <i32> [#uses=1] |
| %t = icmp slt i32 %indvar.next67, %n |
| br i1 %t, label %if.then171, label %while.cond141 |
| |
| if.then171: ; preds = %while.cond141 |
| %mul150 = mul i32 %0, %0 ; <i32> [#uses=1] |
| %add174 = add i32 %mul150, %0 ; <i32> [#uses=1] |
| ret i32 %add174 |
| } |
