31 lines
455 B
LLVM
31 lines
455 B
LLVM
; There should be no phi nodes left.
|
|
; RUN: opt < %s -jump-threading -S | not grep {phi i32}
|
|
|
|
declare i32 @f1()
|
|
declare i32 @f2()
|
|
declare void @f3()
|
|
|
|
define i32 @test(i1 %cond) {
|
|
br i1 %cond, label %T1, label %F1
|
|
|
|
T1:
|
|
%v1 = call i32 @f1()
|
|
br label %Merge
|
|
|
|
F1:
|
|
%v2 = call i32 @f2()
|
|
br label %Merge
|
|
|
|
Merge:
|
|
%B = phi i32 [%v1, %T1], [12, %F1]
|
|
%A = icmp ne i32 %B, 42
|
|
br i1 %A, label %T2, label %F2
|
|
|
|
T2:
|
|
call void @f3()
|
|
ret i32 1
|
|
|
|
F2:
|
|
ret i32 0
|
|
}
|