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[VectorCombine] add tests for possible extract->shuffle; NFC

This commit is contained in:
Sanjay Patel 2020-02-24 17:16:57 -05:00
parent 10ea01d80d
commit e0568ef2c5
2 changed files with 65 additions and 0 deletions
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26
llvm/test/Transforms/VectorCombine/X86/extract-binop.ll
View File

@ -249,3 +249,29 @@ define i8 @ext0_ext1_add(<16 x i8> %x, <16 x i8> %y) {
%r = add i8 %e0, %e1
ret i8 %r
}
define i8 @ext5_ext0_add(<16 x i8> %x, <16 x i8> %y) {
; CHECK-LABEL: @ext5_ext0_add(
; CHECK-NEXT: [[E0:%.*]] = extractelement <16 x i8> [[X:%.*]], i32 5
; CHECK-NEXT: [[E1:%.*]] = extractelement <16 x i8> [[Y:%.*]], i32 0
; CHECK-NEXT: [[R:%.*]] = sub i8 [[E0]], [[E1]]
; CHECK-NEXT: ret i8 [[R]]
;
%e0 = extractelement <16 x i8> %x, i32 5
%e1 = extractelement <16 x i8> %y, i32 0
%r = sub i8 %e0, %e1
ret i8 %r
}
define i8 @ext5_ext6_add(<16 x i8> %x, <16 x i8> %y) {
; CHECK-LABEL: @ext5_ext6_add(
; CHECK-NEXT: [[E0:%.*]] = extractelement <16 x i8> [[X:%.*]], i32 5
; CHECK-NEXT: [[E1:%.*]] = extractelement <16 x i8> [[Y:%.*]], i32 6
; CHECK-NEXT: [[R:%.*]] = and i8 [[E0]], [[E1]]
; CHECK-NEXT: ret i8 [[R]]
;
%e0 = extractelement <16 x i8> %x, i32 5
%e1 = extractelement <16 x i8> %y, i32 6
%r = and i8 %e0, %e1
ret i8 %r
}

39
llvm/test/Transforms/VectorCombine/X86/extract-cmp.ll
View File

@ -100,3 +100,42 @@ t:
f:
ret i32 0
}
define i1 @cmp01_v2f64(<2 x double> %x, <2 x double> %y) {
; CHECK-LABEL: @cmp01_v2f64(
; CHECK-NEXT: [[X0:%.*]] = extractelement <2 x double> [[X:%.*]], i32 0
; CHECK-NEXT: [[Y1:%.*]] = extractelement <2 x double> [[Y:%.*]], i32 1
; CHECK-NEXT: [[CMP:%.*]] = fcmp oge double [[X0]], [[Y1]]
; CHECK-NEXT: ret i1 [[CMP]]
;
%x0 = extractelement <2 x double> %x, i32 0
%y1 = extractelement <2 x double> %y, i32 1
%cmp = fcmp oge double %x0, %y1
ret i1 %cmp
}
define i1 @cmp10_v2f64(<2 x double> %x, <2 x double> %y) {
; CHECK-LABEL: @cmp10_v2f64(
; CHECK-NEXT: [[X1:%.*]] = extractelement <2 x double> [[X:%.*]], i32 1
; CHECK-NEXT: [[Y0:%.*]] = extractelement <2 x double> [[Y:%.*]], i32 0
; CHECK-NEXT: [[CMP:%.*]] = fcmp ule double [[X1]], [[Y0]]
; CHECK-NEXT: ret i1 [[CMP]]
;
%x1 = extractelement <2 x double> %x, i32 1
%y0 = extractelement <2 x double> %y, i32 0
%cmp = fcmp ule double %x1, %y0
ret i1 %cmp
}
define i1 @cmp12_v4i32(<4 x i32> %x, <4 x i32> %y) {
; CHECK-LABEL: @cmp12_v4i32(
; CHECK-NEXT: [[X1:%.*]] = extractelement <4 x i32> [[X:%.*]], i32 1
; CHECK-NEXT: [[Y2:%.*]] = extractelement <4 x i32> [[Y:%.*]], i32 2
; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i32 [[X1]], [[Y2]]
; CHECK-NEXT: ret i1 [[CMP]]
;
%x1 = extractelement <4 x i32> %x, i32 1
%y2 = extractelement <4 x i32> %y, i32 2
%cmp = icmp sgt i32 %x1, %y2
ret i1 %cmp
}