54 lines · plain
1; RUN: opt %loadNPMPolly '-passes=polly-custom<import-jscop;simplify-0>' -polly-print-simplify -polly-import-jscop-postfix=transformed -disable-output < %s | FileCheck %s -match-full-lines2;3; Remove redundant store (a store that writes the same value already4; at the destination) in a region.5;6define void @redundant_region_scalar(i32 %n, ptr noalias nonnull %A) {7entry:8 br label %for9 10for:11 %j = phi i32 [0, %entry], [%j.inc, %inc]12 %j.cmp = icmp slt i32 %j, %n13 br i1 %j.cmp, label %bodyA, label %exit14 15 16 bodyA:17 %val1 = load double, ptr %A18 br label %region_entry19 20 region_entry:21 %val2 = load double, ptr %A22 %cmp = fcmp oeq double %val1, 0.023 br i1 %cmp, label %region_true, label %region_exit24 25 region_true:26 br label %region_exit27 28 region_exit:29 br label %bodyB30 31 bodyB:32 store double %val2, ptr %A33 br label %inc34 35 36inc:37 %j.inc = add nuw nsw i32 %j, 138 br label %for39 40exit:41 br label %return42 43return:44 ret void45}46 47 48; CHECK: Statistics {49; CHECK: Redundant writes removed: 350; CHECK: }51 52; CHECK: After accesses {53; CHECK-NEXT: }54