llvm/test/Transforms/MergeFunc/shufflevector.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -passes=mergefunc < %s | FileCheck %s

define internal <2 x i32> @test1(<2 x i32> %v1, <2 x i32> %v2) {
; CHECK-LABEL: @test1(
; CHECK-NEXT:    [[X:%.*]] = shufflevector <2 x i32> [[V1:%.*]], <2 x i32> [[V2:%.*]], <2 x i32> <i32 0, i32 1>
; CHECK-NEXT:    ret <2 x i32> [[X]]
;
  %x = shufflevector <2 x i32> %v1, <2 x i32> %v2, <2 x i32> <i32 0, i32 1>
  ret <2 x i32> %x
}

; Same mask as test1.
define internal <2 x i32> @test2(<2 x i32> %v1, <2 x i32> %v2) {
  %x = shufflevector <2 x i32> %v1, <2 x i32> %v2, <2 x i32> <i32 0, i32 1>
  ret <2 x i32> %x
}

; Different mask than test1, don't merge.
define internal <2 x i32> @test3(<2 x i32> %v1, <2 x i32> %v2) {
; CHECK-LABEL: @test3(
; CHECK-NEXT:    [[X:%.*]] = shufflevector <2 x i32> [[V1:%.*]], <2 x i32> [[V2:%.*]], <2 x i32> <i32 1, i32 0>
; CHECK-NEXT:    ret <2 x i32> [[X]]
;
  %x = shufflevector <2 x i32> %v1, <2 x i32> %v2, <2 x i32> <i32 1, i32 0>
  ret <2 x i32> %x
}

define void @caller(<2 x i32> %v1, <2 x i32> %v2) {
; CHECK-LABEL: @caller(
; CHECK-NEXT:    [[TMP1:%.*]] = call <2 x i32> @test1(<2 x i32> [[V1:%.*]], <2 x i32> [[V2:%.*]])
; CHECK-NEXT:    [[TMP2:%.*]] = call <2 x i32> @test1(<2 x i32> [[V1]], <2 x i32> [[V2]])
; CHECK-NEXT:    [[TMP3:%.*]] = call <2 x i32> @test3(<2 x i32> [[V1]], <2 x i32> [[V2]])
; CHECK-NEXT:    ret void
;
  call <2 x i32> @test1(<2 x i32> %v1, <2 x i32> %v2)
  call <2 x i32> @test2(<2 x i32> %v1, <2 x i32> %v2)
  call <2 x i32> @test3(<2 x i32> %v1, <2 x i32> %v2)
  ret void
}