; 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 | |
} |