[InstCombine] add tests for shuffle with insertelement operand; NFC

This commit is contained in:
Sanjay Patel 2019-12-09 13:59:50 -05:00
parent 3d41a58eac
commit 92f94b762a
1 changed files with 52 additions and 0 deletions
llvm/test/Transforms/InstCombine

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@ -665,3 +665,55 @@ define <4 x i8> @shuf_identity_padding_wrong_index(<2 x i8> %x, i8 %y) {
%v2 = insertelement <4 x i8> %v1, i8 %y, i32 3
ret <4 x i8> %v2
}
define <4 x float> @insert_undemanded_element_op0(<4 x float> %x, <4 x float> %y) {
; CHECK-LABEL: @insert_undemanded_element_op0(
; CHECK-NEXT: [[INS:%.*]] = insertelement <4 x float> [[X:%.*]], float 4.200000e+01, i32 3
; CHECK-NEXT: call void @use(<4 x float> [[INS]])
; CHECK-NEXT: [[S:%.*]] = shufflevector <4 x float> [[INS]], <4 x float> [[Y:%.*]], <4 x i32> <i32 0, i32 7, i32 1, i32 4>
; CHECK-NEXT: ret <4 x float> [[S]]
;
%ins = insertelement <4 x float> %x, float 42.0, i32 3
call void @use(<4 x float> %ins)
%s = shufflevector <4 x float> %ins, <4 x float> %y, <4 x i32> <i32 0, i32 7, i32 1, i32 4>
ret <4 x float> %s
}
define <4 x float> @insert_undemanded_element_op1(<4 x float> %x, <4 x float> %y) {
; CHECK-LABEL: @insert_undemanded_element_op1(
; CHECK-NEXT: [[INS:%.*]] = insertelement <4 x float> [[X:%.*]], float 4.200000e+01, i32 3
; CHECK-NEXT: call void @use(<4 x float> [[INS]])
; CHECK-NEXT: [[S:%.*]] = shufflevector <4 x float> [[Y:%.*]], <4 x float> [[INS]], <4 x i32> <i32 3, i32 2, i32 1, i32 4>
; CHECK-NEXT: ret <4 x float> [[S]]
;
%ins = insertelement <4 x float> %x, float 42.0, i32 3
call void @use(<4 x float> %ins)
%s = shufflevector <4 x float> %y, <4 x float> %ins, <4 x i32> <i32 3, i32 2, i32 1, i32 4>
ret <4 x float> %s
}
define <4 x float> @insert_demanded_element_op0(<4 x float> %x, <4 x float> %y) {
; CHECK-LABEL: @insert_demanded_element_op0(
; CHECK-NEXT: [[INS:%.*]] = insertelement <4 x float> [[X:%.*]], float 4.200000e+01, i32 3
; CHECK-NEXT: call void @use(<4 x float> [[INS]])
; CHECK-NEXT: [[S:%.*]] = shufflevector <4 x float> [[INS]], <4 x float> [[Y:%.*]], <4 x i32> <i32 3, i32 2, i32 1, i32 4>
; CHECK-NEXT: ret <4 x float> [[S]]
;
%ins = insertelement <4 x float> %x, float 42.0, i32 3
call void @use(<4 x float> %ins)
%s = shufflevector <4 x float> %ins, <4 x float> %y, <4 x i32> <i32 3, i32 2, i32 1, i32 4>
ret <4 x float> %s
}
define <4 x float> @insert_demanded_element_op1(<4 x float> %x, <4 x float> %y) {
; CHECK-LABEL: @insert_demanded_element_op1(
; CHECK-NEXT: [[INS:%.*]] = insertelement <4 x float> [[X:%.*]], float 4.300000e+01, i32 3
; CHECK-NEXT: call void @use(<4 x float> [[INS]])
; CHECK-NEXT: [[S:%.*]] = shufflevector <4 x float> [[Y:%.*]], <4 x float> [[INS]], <4 x i32> <i32 0, i32 7, i32 1, i32 4>
; CHECK-NEXT: ret <4 x float> [[S]]
;
%ins = insertelement <4 x float> %x, float 43.0, i32 3
call void @use(<4 x float> %ins)
%s = shufflevector <4 x float> %y, <4 x float> %ins, <4 x i32> <i32 0, i32 7, i32 1, i32 4>
ret <4 x float> %s
}