1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals 2; RUN: opt -S -passes="jump-threading" < %s 2>&1 | FileCheck %s 3 4declare void @foobar() 5 6define i32 @func0(i32 %a0, i32 %a1) !prof !0 { 7; CHECK-LABEL: @func0( 8; CHECK-NEXT: entry: 9; CHECK-NEXT: [[CMP0:%.*]] = icmp ne i32 [[A0:%.*]], 0 10; CHECK-NEXT: [[CX:%.*]] = icmp eq i32 [[A0]], 42 11; CHECK-NEXT: br i1 [[CMP0]], label [[BB_JOIN:%.*]], label [[TEST2:%.*]], !prof [[PROF1:![0-9]+]] 12; CHECK: test2: 13; CHECK-NEXT: [[CMP1:%.*]] = icmp ne i32 [[A1:%.*]], 0 14; CHECK-NEXT: br i1 [[CMP1]], label [[BB_JOIN_THREAD:%.*]], label [[TEST2_FALSE:%.*]], !prof [[PROF2:![0-9]+]] 15; CHECK: test2_false: 16; CHECK-NEXT: call void @foobar() 17; CHECK-NEXT: br label [[TMP0:%.*]] 18; CHECK: bb_join: 19; CHECK-NEXT: [[C:%.*]] = phi i1 [ [[CX]], [[ENTRY:%.*]] ] 20; CHECK-NEXT: [[COND_FR:%.*]] = freeze i1 [[C]] 21; CHECK-NEXT: br i1 [[COND_FR]], label [[BB_JOIN_THREAD]], label [[TMP0]], !prof [[PROF3:![0-9]+]] 22; CHECK: bb_join.thread: 23; CHECK-NEXT: br label [[TMP0]] 24; CHECK: 0: 25; CHECK-NEXT: [[TMP1:%.*]] = phi i32 [ 42, [[BB_JOIN_THREAD]] ], [ 7, [[BB_JOIN]] ], [ 7, [[TEST2_FALSE]] ] 26; CHECK-NEXT: ret i32 [[TMP1]] 27; 28entry: 29 %cmp0 = icmp ne i32 %a0, 0 30 %cx = icmp eq i32 %a0, 42 31 br i1 %cmp0, label %bb_join, label %test2, !prof !1 32 33test2: 34 %cmp1 = icmp ne i32 %a1, 0 35 br i1 %cmp1, label %bb_join, label %test2_false, !prof !2 36 37test2_false: 38 call void @foobar() 39 br label %bb_join 40 41bb_join: 42 %c = phi i1 [%cx, %entry], [true, %test2], [%cx, %test2_false] 43 %val = select i1 %c, i32 42, i32 7, !prof !3 44 ret i32 %val 45} 46 47!0 = !{!"function_entry_count", i64 1000} 48!1 = !{!"branch_weights", i32 400, i32 600} 49!2 = !{!"branch_weights", i32 300, i32 300} 50!3 = !{!"branch_weights", i32 500, i32 500} 51;. 52; CHECK: [[META0:![0-9]+]] = !{!"function_entry_count", i64 1000} 53; CHECK: [[PROF1]] = !{!"branch_weights", i32 400, i32 600} 54; CHECK: [[PROF2]] = !{!"branch_weights", i32 300, i32 300} 55; CHECK: [[PROF3]] = !{!"branch_weights", i32 613566756, i32 1533916892} 56;. 57