File: vscale_zero.ll

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llvm-toolchain-17 1%3A17.0.6-22
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes=instcombine -S | FileCheck %s

define i1 @iszero() {
; CHECK-LABEL: @iszero(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    ret i1 false
;
  entry:
  %0 = call i32 @llvm.vscale.i32()
  %1 = icmp eq i32 %0, 0
  ret i1 %1
}

define i1 @iszero_range() vscale_range(1,16) {
; CHECK-LABEL: @iszero_range(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    ret i1 false
;
  entry:
  %0 = call i32 @llvm.vscale.i32()
  %1 = icmp eq i32 %0, 0
  ret i1 %1
}

declare i32 @llvm.vscale.i32()