xref: /llvm-project/llvm/test/Transforms/InstCombine/apint-shl-trunc.ll (revision 56b3222b79632a4bbb36271735556a03b2504791)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt < %s -passes=instcombine -S | FileCheck %s
3
4define i1 @test0(i39 %X, i39 %A) {
5; CHECK-LABEL: @test0(
6; CHECK-NEXT:    [[B:%.*]] = lshr i39 [[X:%.*]], [[A:%.*]]
7; CHECK-NEXT:    [[D:%.*]] = trunc i39 [[B]] to i1
8; CHECK-NEXT:    ret i1 [[D]]
9;
10  %B = lshr i39 %X, %A
11  %D = trunc i39 %B to i1
12  ret i1 %D
13}
14
15define i1 @test1(i799 %X, i799 %A) {
16; CHECK-LABEL: @test1(
17; CHECK-NEXT:    [[B:%.*]] = lshr i799 [[X:%.*]], [[A:%.*]]
18; CHECK-NEXT:    [[D:%.*]] = trunc i799 [[B]] to i1
19; CHECK-NEXT:    ret i1 [[D]]
20;
21  %B = lshr i799 %X, %A
22  %D = trunc i799 %B to i1
23  ret i1 %D
24}
25
26define <2 x i1> @test0vec(<2 x i39> %X, <2 x i39> %A) {
27; CHECK-LABEL: @test0vec(
28; CHECK-NEXT:    [[B:%.*]] = lshr <2 x i39> [[X:%.*]], [[A:%.*]]
29; CHECK-NEXT:    [[D:%.*]] = trunc <2 x i39> [[B]] to <2 x i1>
30; CHECK-NEXT:    ret <2 x i1> [[D]]
31;
32  %B = lshr <2 x i39> %X, %A
33  %D = trunc <2 x i39> %B to <2 x i1>
34  ret <2 x i1> %D
35}
36
37