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[AArch64] Add some tests for the cost of extending an extract. NFC

This commit is contained in:
David Green 2022-03-02 14:47:32 +00:00
parent bb9013555f
commit 02de975259
1 changed files with 41 additions and 0 deletions
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41
llvm/test/Analysis/CostModel/AArch64/cast.ll
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@ -981,4 +981,45 @@ define i32 @store_truncs() {
ret i32 undef
}
define void @extend_extract() {
; CHECK-LABEL: 'extend_extract'
; CHECK-NEXT: Cost Model: Found an estimated cost of 3 for instruction: %e8 = extractelement <8 x i8> undef, i32 1
; CHECK-NEXT: Cost Model: Found an estimated cost of 3 for instruction: %e16 = extractelement <8 x i16> undef, i32 1
; CHECK-NEXT: Cost Model: Found an estimated cost of 3 for instruction: %e32 = extractelement <8 x i32> undef, i32 1
; CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %s8_16 = sext i8 %e8 to i16
; CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %z8_16 = zext i8 %e8 to i16
; CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %s8_32 = sext i8 %e8 to i32
; CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %z8_32 = zext i8 %e8 to i32
; CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %s8_64 = sext i8 %e8 to i64
; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %z8_64 = zext i8 %e8 to i64
; CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %s16_32 = sext i16 %e16 to i32
; CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %z16_32 = zext i16 %e16 to i32
; CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %s16_64 = sext i16 %e16 to i64
; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %z16_64 = zext i16 %e16 to i64
; CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %s32_64 = sext i32 %e32 to i64
; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %z32_64 = zext i32 %e32 to i64
; CHECK-NEXT: Cost Model: Found an estimated cost of 13 for instruction: call void @use(i16 %s8_16, i16 %z8_16, i32 %s8_32, i32 %z8_32, i64 %s8_64, i64 %z8_64, i32 %s16_32, i32 %z16_32, i64 %s16_64, i64 %z16_64, i64 %s32_64, i64 %z32_64)
; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret void
;
%e8 = extractelement <8 x i8> undef, i32 1
%e16 = extractelement <8 x i16> undef, i32 1
%e32 = extractelement <8 x i32> undef, i32 1
%s8_16 = sext i8 %e8 to i16
%z8_16 = zext i8 %e8 to i16
%s8_32 = sext i8 %e8 to i32
%z8_32 = zext i8 %e8 to i32
%s8_64 = sext i8 %e8 to i64
%z8_64 = zext i8 %e8 to i64
%s16_32 = sext i16 %e16 to i32
%z16_32 = zext i16 %e16 to i32
%s16_64 = sext i16 %e16 to i64
%z16_64 = zext i16 %e16 to i64
%s32_64 = sext i32 %e32 to i64
%z32_64 = zext i32 %e32 to i64
call void @use(i16 %s8_16, i16 %z8_16, i32 %s8_32, i32 %z8_32, i64 %s8_64, i64 %z8_64, i32 %s16_32, i32 %z16_32, i64 %s16_64, i64 %z16_64, i64 %s32_64, i64 %z32_64)
ret void
}
declare void @use(i16, i16, i32, i32, i64, i64, i32, i32, i64, i64, i64, i64)
attributes #0 = { "target-features"="+sve" }