| ; RUN: opt %loadPolly -polly-stmt-granularity=bb -polly-import-jscop -polly-import-jscop-postfix=transformed -polly-simplify -analyze < %s | FileCheck -match-full-lines %s |
| ; |
| ; Do not combine stores that write different values. |
| ; |
| ; for (int j = 0; j < n; j += 1) { |
| ; A[0] = 21.0; |
| ; A[0] = 42.0; |
| ; } |
| ; |
| define void @nocoalesce_differentvalues(i32 %n, double* noalias nonnull %A) { |
| entry: |
| br label %for |
| |
| for: |
| %j = phi i32 [0, %entry], [%j.inc, %inc] |
| %j.cmp = icmp slt i32 %j, %n |
| br i1 %j.cmp, label %body, label %exit |
| |
| body: |
| store double 21.0, double* %A |
| store double 42.0, double* %A |
| br label %inc |
| |
| inc: |
| %j.inc = add nuw nsw i32 %j, 1 |
| br label %for |
| |
| exit: |
| br label %return |
| |
| return: |
| ret void |
| } |
| |
| |
| ; CHECK: Statistics { |
| ; CHECK: Overwrites removed: 0 |
| ; CHECK: Partial writes coalesced: 0 |
| ; CHECK: } |
| |
| ; CHECK: SCoP could not be simplified |
