xref: /llvm-project/llvm/test/Transforms/InstCombine/vscale_zero.ll (revision bd1a4c8565ac7a48a5dc1e18b8ea07b29b93d213) 
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt < %s -passes=instcombine -S | FileCheck %s
3
4define i1 @iszero() {
5; CHECK-LABEL: @iszero(
6; CHECK-NEXT:  entry:
7; CHECK-NEXT:    ret i1 false
8;
9  entry:
10  %0 = call i32 @llvm.vscale.i32()
11  %1 = icmp eq i32 %0, 0
12  ret i1 %1
13}
14
15define i1 @iszero_range() vscale_range(1,16) {
16; CHECK-LABEL: @iszero_range(
17; CHECK-NEXT:  entry:
18; CHECK-NEXT:    ret i1 false
19;
20  entry:
21  %0 = call i32 @llvm.vscale.i32()
22  %1 = icmp eq i32 %0, 0
23  ret i1 %1
24}
25
26declare i32 @llvm.vscale.i32()
27