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; RUN: opt -jump-threading -S < %s | FileCheck %s
; RUN: opt -passes=jump-threading -S < %s | FileCheck %s
define void @test() {
; CHECK-LABEL: @test()
bb:
%tmp = call i32 @a()
%tmp1 = icmp eq i32 %tmp, 1
br i1 %tmp1, label %bb5, label %bb2
; CHECK: br i1 %tmp1,{{.*}} !prof ![[PROF1:[0-9]+]]
bb2: ; preds = %bb
%tmp3 = call i32 @b()
%tmp4 = icmp ne i32 %tmp3, 1
br label %bb5
; CHECK: br i1 %tmp4, {{.*}} !prof ![[PROF2:[0-9]+]]
bb5: ; preds = %bb2, %bb
%tmp6 = phi i1 [ false, %bb ], [ %tmp4, %bb2 ]
br i1 %tmp6, label %bb8, label %bb7, !prof !0
bb7: ; preds = %bb5
call void @bar()
br label %bb8
bb8: ; preds = %bb7, %bb5
ret void
}
define void @test_single_pred1() {
; CHECK-LABEL: @test_single_pred1()
bb:
%tmp = call i32 @a()
%tmp1 = icmp eq i32 %tmp, 1
br i1 %tmp1, label %bb5_1, label %bb2
; CHECK: br i1 %tmp1,{{.*}} !prof ![[PROF1:[0-9]+]]
bb5_1:
br label %bb5;
bb2:
%tmp3 = call i32 @b()
%tmp4 = icmp ne i32 %tmp3, 1
br label %bb5
; CHECK: br i1 %tmp4, {{.*}} !prof ![[PROF2:[0-9]+]]
bb5:
%tmp6 = phi i1 [ false, %bb5_1 ], [ %tmp4, %bb2 ]
br i1 %tmp6, label %bb8, label %bb7, !prof !0
bb7:
call void @bar()
br label %bb8
bb8:
ret void
}
define void @test_single_pred2() {
; CHECK-LABEL: @test_single_pred2()
bb:
%tmp = call i32 @a()
%tmp1 = icmp eq i32 %tmp, 1
br i1 %tmp1, label %bb5_1, label %bb2
; CHECK: br i1 %tmp1,{{.*}} !prof ![[PROF1:[0-9]+]]
bb5_1:
br label %bb5_2;
bb5_2:
br label %bb5;
bb2:
%tmp3 = call i32 @b()
%tmp4 = icmp ne i32 %tmp3, 1
br label %bb5
; CHECK: br i1 %tmp4, {{.*}} !prof ![[PROF2:[0-9]+]]
bb5:
%tmp6 = phi i1 [ false, %bb5_2 ], [ %tmp4, %bb2 ]
br i1 %tmp6, label %bb8, label %bb7, !prof !0
bb7:
call void @bar()
br label %bb8
bb8:
ret void
}
declare void @bar()
declare i32 @a()
declare i32 @b()
!0 = !{!"branch_weights", i32 2146410443, i32 1073205}
;CHECK: ![[PROF1]] = !{!"branch_weights", i32 1073205, i32 2146410443}
;CHECK: ![[PROF2]] = !{!"branch_weights", i32 2146410443, i32 1073205}
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