xref: /llvm-project/llvm/test/Analysis/ValueTracking/pr75505.ll (revision 0df320093155f937ae985847f20e28b790667a9f)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
2; RUN: opt -S -passes=instsimplify < %s | FileCheck %s
3
4; Just make sure that we don't assert.
5define i32 @test(<2 x i16> %a, i32 %b) {
6; CHECK-LABEL: define i32 @test(
7; CHECK-SAME: <2 x i16> [[A:%.*]], i32 [[B:%.*]]) {
8; CHECK-NEXT:    [[MUL:%.*]] = mul <2 x i16> [[A]], <i16 -1, i16 poison>
9; CHECK-NEXT:    [[BC:%.*]] = bitcast <2 x i16> [[MUL]] to i32
10; CHECK-NEXT:    [[LSHR:%.*]] = lshr i32 [[B]], [[BC]]
11; CHECK-NEXT:    ret i32 [[LSHR]]
12;
13  %mul = mul <2 x i16> %a, <i16 -1, i16 poison>
14  %bc = bitcast <2 x i16> %mul to i32
15  %lshr = lshr i32 %b, %bc
16  ret i32 %lshr
17}
18