| ; RUN: opt < %s -indvars -S | FileCheck %s |
| ; Test indvars' ability to hoist new sext created by WidenIV. |
| ; From ffbench. |
| |
| target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" |
| define internal double @fourn(double* %data, i32 %x, i32 %y, i32 %n) nounwind { |
| ; CHECK: entry: |
| ; CHECK: sext |
| ; CHECK: sext |
| entry: |
| br label %for.body |
| |
| ; CHECK: for.body: |
| ; CHECK-NOT: sext |
| ; CHECK: br |
| for.body: |
| %i2.115 = phi i32 [ 0, %entry ], [ %add249, %for.body ] |
| %add174 = add nsw i32 %i2.115, %x |
| %idxprom177 = sext i32 %add174 to i64 |
| %arrayidx179 = getelementptr inbounds double* %data, i64 %idxprom177 |
| %tmp180 = load double* %arrayidx179, align 8 |
| %add249 = add nsw i32 %i2.115, %y |
| %cmp168 = icmp sgt i32 %add249, %n |
| br i1 %cmp168, label %exit, label %for.body |
| |
| exit: |
| ret double %tmp180 |
| } |
