blob: 47aa1b5677acd69e4e3c9df57b5b3f2e7f565c31 [file] [log] [blame]
; This is a basic correctness check for constant propagation. It tests the
; basic arithmetic operations.
; RUN: opt < %s -passes=sccp -S | not grep mul
; RUN: opt < %s -passes=sccp -S | not grep umod
define i128 @test(i1 %B) {
br i1 %B, label %BB1, label %BB2
BB1:
%t1 = add i128 0, 1
%t2 = sub i128 0, %t1
%t3 = mul i128 %t2, -1
br label %BB3
BB2:
%f1 = udiv i128 -1, 1
%f2 = add i128 %f1, 1
%f3 = urem i128 %f2, 2121
br label %BB3
BB3:
%Ret = phi i128 [%t3, %BB1], [%f3, %BB2]
ret i128 %Ret
}