llvm/test/CodeGen/RISCV/rvv/fold-vector-cmp.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -start-after codegenprepare -mtriple=riscv64 -mattr=-v -o - %s | FileCheck --check-prefix=CHECK-NOV %s
; RUN: llc -start-after codegenprepare -mtriple=riscv64 -mattr=+v -o - %s | FileCheck --check-prefix=CHECK-V %s

; Reproducer for https://github.com/llvm/llvm-project/issues/55168.
; We should always return 1 (and not -1).
define i32 @test(i32 %call.i) {
; CHECK-NOV-LABEL: test:
; CHECK-NOV:       # %bb.0:
; CHECK-NOV-NEXT:    li a0, 1
; CHECK-NOV-NEXT:    ret
;
; CHECK-V-LABEL: test:
; CHECK-V:       # %bb.0:
; CHECK-V-NEXT:    vsetivli zero, 2, e32, mf2, ta, ma
; CHECK-V-NEXT:    vmv.v.x v8, a0
; CHECK-V-NEXT:    lui a0, 524288
; CHECK-V-NEXT:    vslide1down.vx v8, v8, a0
; CHECK-V-NEXT:    addi a0, a0, 2
; CHECK-V-NEXT:    vmslt.vx v0, v8, a0
; CHECK-V-NEXT:    vmv.v.i v8, 0
; CHECK-V-NEXT:    vmerge.vim v8, v8, 1, v0
; CHECK-V-NEXT:    vslidedown.vi v8, v8, 1
; CHECK-V-NEXT:    vmv.x.s a0, v8
; CHECK-V-NEXT:    ret
  %t2 = insertelement <2 x i32> <i32 poison, i32 -2147483648>, i32 %call.i, i64 0
  %t3 = icmp slt <2 x i32> %t2, <i32 -2147483646, i32 -2147483646>
  %t4 = zext <2 x i1> %t3 to <2 x i32>
  %t6 = extractelement <2 x i32> %t4, i64 1
  ret i32 %t6
}