| ; RUN: opt %loadPolly -polly-scops -analyze \ |
| ; RUN: -polly-invariant-load-hoisting=true < %s | FileCheck %s |
| ; |
| ; void f(unsigned *restrict I, unsigned *restrict A, unsigned N, unsigned M) { |
| ; for (unsigned i = 0; i < N; i++) { |
| ; unsigned char V = *I; |
| ; if (V < M) |
| ; A[i]++; |
| ; } |
| ; } |
| ; |
| ; FIXME: The truncated value should be a paramter. |
| ; CHECK: Assumed Context: |
| ; CHECK-NEXT: [N, tmp, M] -> { : } |
| ; CHECK-NEXT: Invalid Context: |
| ; CHECK-NEXT: [N, tmp, M] -> { : N < 0 or (N > 0 and tmp >= 128) or (N > 0 and tmp < 0) or (N > 0 and M < 0) } |
| ; |
| ; CHECK: Domain := |
| ; CHECK-NEXT: [N, tmp, M] -> { Stmt_if_then[i0] : tmp >= 0 and M > tmp and 0 <= i0 < N }; |
| ; |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| |
| define void @f(i32* noalias %I, i32* noalias %A, i32 %N, i32 %M) { |
| entry: |
| br label %for.cond |
| |
| for.cond: ; preds = %for.inc, %entry |
| %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ] |
| %lftr.wideiv = trunc i64 %indvars.iv to i32 |
| %exitcond = icmp ne i32 %lftr.wideiv, %N |
| br i1 %exitcond, label %for.body, label %for.end |
| |
| for.body: ; preds = %for.cond |
| %tmp = load i32, i32* %I, align 4 |
| %conv1 = and i32 %tmp, 255 |
| %cmp2 = icmp ult i32 %conv1, %M |
| br i1 %cmp2, label %if.then, label %if.end |
| |
| if.then: ; preds = %for.body |
| %arrayidx = getelementptr inbounds i32, i32* %A, i64 %indvars.iv |
| %tmp1 = load i32, i32* %arrayidx, align 4 |
| %inc = add i32 %tmp1, 1 |
| store i32 %inc, i32* %arrayidx, align 4 |
| br label %if.end |
| |
| if.end: ; preds = %if.then, %for.body |
| br label %for.inc |
| |
| for.inc: ; preds = %if.end |
| %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 |
| br label %for.cond |
| |
| for.end: ; preds = %for.cond |
| ret void |
| } |