1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -dse -S %s | FileCheck %s 3 4target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 5 6; Make sure we do not crash when we encounter unreachable blocks while checking 7; if all paths to DomAccess go through a killing block. 8define void @test(float* %ptr, i1 %c.1, i1 %c.2, i1 %c.3) { 9; CHECK-LABEL: @test( 10; CHECK-NEXT: bb: 11; CHECK-NEXT: br i1 [[C_1:%.*]], label [[BB27:%.*]], label [[BB53:%.*]] 12; CHECK: bb10: 13; CHECK-NEXT: br label [[BB43:%.*]] 14; CHECK: bb22: 15; CHECK-NEXT: br i1 [[C_2:%.*]], label [[BB22:%.*]], label [[BB53]] 16; CHECK: bb27: 17; CHECK-NEXT: br i1 [[C_3:%.*]], label [[BB38:%.*]], label [[BB39:%.*]] 18; CHECK: bb38: 19; CHECK-NEXT: store float 0.000000e+00, float* [[PTR:%.*]], align 4 20; CHECK-NEXT: br label [[BB38]] 21; CHECK: bb39: 22; CHECK-NEXT: br i1 [[C_2]], label [[BB43]], label [[BB38]] 23; CHECK: bb43: 24; CHECK-NEXT: store float 0.000000e+00, float* [[PTR]], align 4 25; CHECK-NEXT: br label [[BB50:%.*]] 26; CHECK: bb50: 27; CHECK-NEXT: br i1 [[C_3]], label [[BB27]], label [[BB53]] 28; CHECK: bb53: 29; CHECK-NEXT: br label [[BB53]] 30; 31bb: 32 br i1 %c.1, label %bb27, label %bb53 33 34bb10: ; No predecessors! 35 br label %bb43 36 37bb22: ; preds = %bb22 38 br i1 %c.2, label %bb22, label %bb53 39 40bb27: ; preds = %bb50, %bb 41 br i1 %c.3, label %bb38, label %bb39 42 43bb38: ; preds = %bb39, %bb38, %bb27 44 store float 0.000000e+00, float* %ptr, align 4 45 br label %bb38 46 47bb39: ; preds = %bb27 48 br i1 %c.2, label %bb43, label %bb38 49 50bb43: ; preds = %bb39, %bb10 51 store float 0.000000e+00, float* %ptr, align 4 52 br label %bb50 53 54bb50: ; preds = %bb43 55 br i1 %c.3, label %bb27, label %bb53 56 57bb53: ; preds = %bb53, %bb50, %bb22, %bb 58 br label %bb53 59} 60