xref: /llvm-project/llvm/test/Transforms/InstCombine/shl-twice-constant.ll (revision 27eaa8a40ef338bea611f693fa8e810b1fc8d78d)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt < %s -passes=instcombine -S | FileCheck %s
3
4@c = external constant i8
5@c2 = external constant i8
6
7define i64 @testfunc() {
8; CHECK-LABEL: @testfunc(
9; CHECK-NEXT:    [[SHL1:%.*]] = shl nuw i64 1, ptrtoint (ptr @c2 to i64)
10; CHECK-NEXT:    [[SHL2:%.*]] = shl i64 [[SHL1]], ptrtoint (ptr @c to i64)
11; CHECK-NEXT:    ret i64 [[SHL2]]
12;
13  %shl1 = shl i64 1, ptrtoint (ptr @c2 to i64)
14  %shl2 = shl i64 %shl1, ptrtoint (ptr @c to i64)
15  ret i64 %shl2
16}
17