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[InstCombine] add funnel shift tests with arbitrary constants; NFC

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llvm-svn: 356367
This commit is contained in:
Sanjay Patel 2019-03-18 13:35:51 +00:00
parent 5d84c488b2
commit e5181fde18
1 changed files with 44 additions and 8 deletions
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52
test/Transforms/InstCombine/fsh.ll
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@ -215,8 +215,8 @@ define i33 @fshr_op1_zero(i33 %x) {
ret i33 %r
}
define <2 x i31> @fshl_op0_zero_vec(<2 x i31> %x) {
; CHECK-LABEL: @fshl_op0_zero_vec(
define <2 x i31> @fshl_op0_zero_splat_vec(<2 x i31> %x) {
; CHECK-LABEL: @fshl_op0_zero_splat_vec(
; CHECK-NEXT: [[R:%.*]] = lshr <2 x i31> [[X:%.*]], <i31 24, i31 24>
; CHECK-NEXT: ret <2 x i31> [[R]]
;
@ -224,8 +224,8 @@ define <2 x i31> @fshl_op0_zero_vec(<2 x i31> %x) {
ret <2 x i31> %r
}
define <2 x i31> @fshl_op1_undef_vec(<2 x i31> %x) {
; CHECK-LABEL: @fshl_op1_undef_vec(
define <2 x i31> @fshl_op1_undef_splat_vec(<2 x i31> %x) {
; CHECK-LABEL: @fshl_op1_undef_splat_vec(
; CHECK-NEXT: [[R:%.*]] = shl <2 x i31> [[X:%.*]], <i31 7, i31 7>
; CHECK-NEXT: ret <2 x i31> [[R]]
;
@ -233,8 +233,8 @@ define <2 x i31> @fshl_op1_undef_vec(<2 x i31> %x) {
ret <2 x i31> %r
}
define <2 x i32> @fshr_op0_undef_vec(<2 x i32> %x) {
; CHECK-LABEL: @fshr_op0_undef_vec(
define <2 x i32> @fshr_op0_undef_splat_vec(<2 x i32> %x) {
; CHECK-LABEL: @fshr_op0_undef_splat_vec(
; CHECK-NEXT: [[R:%.*]] = lshr <2 x i32> [[X:%.*]], <i32 7, i32 7>
; CHECK-NEXT: ret <2 x i32> [[R]]
;
@ -242,8 +242,8 @@ define <2 x i32> @fshr_op0_undef_vec(<2 x i32> %x) {
ret <2 x i32> %r
}
define <2 x i32> @fshr_op1_zero_vec(<2 x i32> %x) {
; CHECK-LABEL: @fshr_op1_zero_vec(
define <2 x i32> @fshr_op1_zero_splat_vec(<2 x i32> %x) {
; CHECK-LABEL: @fshr_op1_zero_splat_vec(
; CHECK-NEXT: [[R:%.*]] = shl <2 x i32> [[X:%.*]], <i32 25, i32 25>
; CHECK-NEXT: ret <2 x i32> [[R]]
;
@ -251,6 +251,42 @@ define <2 x i32> @fshr_op1_zero_vec(<2 x i32> %x) {
ret <2 x i32> %r
}
define <2 x i31> @fshl_op0_zero_vec(<2 x i31> %x) {
; CHECK-LABEL: @fshl_op0_zero_vec(
; CHECK-NEXT: [[R:%.*]] = call <2 x i31> @llvm.fshl.v2i31(<2 x i31> zeroinitializer, <2 x i31> [[X:%.*]], <2 x i31> <i31 1, i31 2>)
; CHECK-NEXT: ret <2 x i31> [[R]]
;
%r = call <2 x i31> @llvm.fshl.v2i31(<2 x i31> zeroinitializer, <2 x i31> %x, <2 x i31> <i31 -1, i31 33>)
ret <2 x i31> %r
}
define <2 x i31> @fshl_op1_undef_vec(<2 x i31> %x) {
; CHECK-LABEL: @fshl_op1_undef_vec(
; CHECK-NEXT: [[R:%.*]] = call <2 x i31> @llvm.fshl.v2i31(<2 x i31> [[X:%.*]], <2 x i31> undef, <2 x i31> <i31 1, i31 2>)
; CHECK-NEXT: ret <2 x i31> [[R]]
;
%r = call <2 x i31> @llvm.fshl.v2i31(<2 x i31> %x, <2 x i31> undef, <2 x i31> <i31 -1, i31 33>)
ret <2 x i31> %r
}
define <2 x i32> @fshr_op0_undef_vec(<2 x i32> %x) {
; CHECK-LABEL: @fshr_op0_undef_vec(
; CHECK-NEXT: [[R:%.*]] = call <2 x i32> @llvm.fshr.v2i32(<2 x i32> undef, <2 x i32> [[X:%.*]], <2 x i32> <i32 31, i32 1>)
; CHECK-NEXT: ret <2 x i32> [[R]]
;
%r = call <2 x i32> @llvm.fshr.v2i32(<2 x i32> undef, <2 x i32> %x, <2 x i32> <i32 -1, i32 33>)
ret <2 x i32> %r
}
define <2 x i32> @fshr_op1_zero_vec(<2 x i32> %x) {
; CHECK-LABEL: @fshr_op1_zero_vec(
; CHECK-NEXT: [[R:%.*]] = call <2 x i32> @llvm.fshr.v2i32(<2 x i32> [[X:%.*]], <2 x i32> zeroinitializer, <2 x i32> <i32 31, i32 1>)
; CHECK-NEXT: ret <2 x i32> [[R]]
;
%r = call <2 x i32> @llvm.fshr.v2i32(<2 x i32> %x, <2 x i32> zeroinitializer, <2 x i32> <i32 -1, i32 33>)
ret <2 x i32> %r
}
; Only demand bits from one of the operands.
define i32 @fshl_only_op0_demanded(i32 %x, i32 %y) {