llvm-project/llvm/test/Transforms/InstCombine/vec_gep_scalar_arg.ll

17 lines
812 B
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -instcombine -S < %s | FileCheck %s
define <4 x i16*> @PR41270([4 x i16]* %x) {
; CHECK-LABEL: @PR41270(
; CHECK-NEXT: [[TMP1:%.*]] = insertelement <4 x [4 x i16]*> undef, [4 x i16]* [[X:%.*]], i32 0
; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds [4 x i16], <4 x [4 x i16]*> [[TMP1]], i64 0, i64 3
; CHECK-NEXT: ret <4 x i16*> [[TMP2]]
;
%ins = insertelement <4 x [4 x i16]*> undef, [4 x i16]* %x, i32 0
%splat = shufflevector <4 x [4 x i16]*> %ins, <4 x [4 x i16]*> undef, <4 x i32> zeroinitializer
%t2 = getelementptr inbounds [4 x i16], <4 x [4 x i16]*> %splat, i32 0, i32 3
%t3 = extractelement <4 x i16*> %t2, i32 3
%ins2 = insertelement <4 x i16*> undef, i16* %t3, i32 0
ret <4 x i16*> %ins2
}