xref: /aosp_15_r20/external/llvm/test/Analysis/ValueTracking/assume.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58) 
1; RUN: opt < %s -instcombine -S | FileCheck %s
2
3define i32 @assume_add(i32 %a, i32 %b) {
4; CHECK-LABEL: @assume_add(
5  %1 = add i32 %a, %b
6  %last_two_digits = and i32 %1, 3
7  %2 = icmp eq i32 %last_two_digits, 0
8  call void @llvm.assume(i1 %2)
9  %3 = add i32 %1, 3
10; CHECK: %3 = or i32 %1, 3
11  ret i32 %3
12}
13
14declare void @llvm.assume(i1)
15