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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; RUN: opt -passes=correlated-propagation -S %s | FileCheck %s3 4target triple = "x86_64-apple-darwin17.4.0"5 6define void @patatino(i1 %arg) {7; CHECK-LABEL: @patatino(8; CHECK-NEXT: br i1 %arg, label [[BB3:%.*]], label [[BB4:%.*]]9; CHECK: bb3:10; CHECK-NEXT: br label [[BB3]]11; CHECK: bb4:12; CHECK-NEXT: br i1 %arg, label [[BB40:%.*]], label [[BB22:%.*]]13; CHECK: bb7:14; CHECK-NEXT: br label [[BB14:%.*]]15; CHECK: bb12:16; CHECK-NEXT: br label [[BB14]]17; CHECK: bb14:18; CHECK-NEXT: [[TMP19:%.*]] = icmp sgt i32 undef, undef19; CHECK-NEXT: [[TMP20:%.*]] = select i1 [[TMP19]], i64 [[TMP20]], i64 020; CHECK-NEXT: br i1 %arg, label [[BB40]], label [[BB7:%.*]]21; CHECK: bb22:22; CHECK-NEXT: br label [[BB24:%.*]]23; CHECK: bb24:24; CHECK-NEXT: br label [[BB32:%.*]]25; CHECK: bb32:26; CHECK-NEXT: br i1 %arg, label [[BB40]], label [[BB24]]27; CHECK: bb40:28; CHECK-NEXT: [[TMP41:%.*]] = phi i64 [ 4, [[BB4]] ], [ [[TMP20]], [[BB14]] ], [ undef, [[BB32]] ]29; CHECK-NEXT: ret void30;31 br i1 %arg, label %bb3, label %bb432 33bb3:34 br label %bb335 36bb4:37 br i1 %arg, label %bb40, label %bb2238 39bb7:40 br label %bb1441 42bb12:43 br label %bb1444 45; This block is unreachable. Due to the non-standard definition of46; dominance in LLVM where uses in unreachable blocks are dominated47; by anything, it contains an instruction of the form48; %def = OP %def, %something49bb14:50 %tmp19 = icmp sgt i32 undef, undef51 %tmp20 = select i1 %tmp19, i64 %tmp20, i64 052 br i1 %arg, label %bb40, label %bb753 54bb22:55 br label %bb2456 57bb24:58 br label %bb3259 60bb32:61 br i1 %arg, label %bb40, label %bb2462 63bb40:64 %tmp41 = phi i64 [ 4, %bb4 ], [ %tmp20, %bb14 ], [ undef, %bb32 ]65 ret void66}67