1; RUN: opt %loadPolly -basic-aa -polly-stmt-granularity=bb -polly-import-jscop -polly-import-jscop-postfix=transformed -polly-vectorizer=polly -polly-opt-isl -polly-ast -polly-codegen -S < %s | FileCheck %s 2; 3; Polly's vectorizer does not support partial accesses. 4; 5; for (int j = 0; j < 4; j += 1) { 6;body: 7; val = 21.0 + 21.0; 8; if (j > 1) 9;user: 10; A[0] = val; 11; } 12 13define void @partial_write_mapped_vector(double* noalias nonnull %A) { 14entry: 15 br label %for 16 17for: 18 %j = phi i32 [0, %entry], [%j.inc, %inc] 19 %j.cmp = icmp slt i32 %j, 4 20 br i1 %j.cmp, label %body, label %exit 21 22 body: 23 %val = fadd double 21.0, 21.0 24 %if.cond = icmp sgt i32 %j, 1 25 br i1 %if.cond, label %user, label %inc 26 27 user: 28 %elt= getelementptr inbounds double, double* %A, i32 %j 29 store double %val, double* %elt 30 br label %inc 31 32inc: 33 %j.inc = add nuw nsw i32 %j, 1 34 br label %for 35 36exit: 37 br label %return 38 39return: 40 ret void 41} 42 43 44; CHECK-LABEL: polly.stmt.body: 45; CHECK-NEXT: %p_val = fadd double 2.100000e+01, 2.100000e+01 46; CHECK-NEXT: %0 = trunc i64 %polly.indvar to i32 47; CHECK-NEXT: %p_if.cond = icmp sgt i32 %0, 1 48; CHECK-NEXT: %1 = icmp sge i64 %polly.indvar, 2 49; CHECK-NEXT: %polly.Stmt_body_Write0.cond = icmp ne i1 %1, false 50; CHECK-NEXT: br i1 %polly.Stmt_body_Write0.cond, label %polly.stmt.body.Stmt_body_Write0.partial, label %polly.stmt.body.cont 51 52; CHECK-LABEL: polly.stmt.body.Stmt_body_Write0.partial: 53; CHECK-NEXT: %polly.access.A = getelementptr double, double* %A, i64 1 54; CHECK-NEXT: store double %p_val, double* %polly.access.A 55; CHECK-NEXT: br label %polly.stmt.body.cont 56 57; CHECK-LABEL: polly.stmt.body.cont: 58