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[AArch64] Add i128 parity test 

AArch64 has custom i128 ctpop handling, so match this in the parity tests

Added as part of triaging Issue #56531
This commit is contained in:
Simon Pilgrim 2022-07-21 11:46:27 +01:00
parent 9383b09858
commit 2feb99b02c
1 changed files with 19 additions and 0 deletions
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19
llvm/test/CodeGen/AArch64/parity.ll
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@ -90,6 +90,24 @@ define i64 @parity_64(i64 %x) {
ret i64 %2
}
define i128 @parity_128(i128 %x) {
; CHECK-LABEL: parity_128:
; CHECK: // %bb.0:
; CHECK-NEXT: eor x8, x0, x1
; CHECK-NEXT: mov x1, xzr
; CHECK-NEXT: eor x8, x8, x8, lsr #32
; CHECK-NEXT: eor x8, x8, x8, lsr #16
; CHECK-NEXT: eor x8, x8, x8, lsr #8
; CHECK-NEXT: eor x8, x8, x8, lsr #4
; CHECK-NEXT: eor x8, x8, x8, lsr #2
; CHECK-NEXT: eor w8, w8, w8, lsr #1
; CHECK-NEXT: and x0, x8, #0x1
; CHECK-NEXT: ret
%1 = tail call i128 @llvm.ctpop.i128(i128 %x)
%2 = and i128 %1, 1
ret i128 %2
}
define i32 @parity_64_trunc(i64 %x) {
; CHECK-LABEL: parity_64_trunc:
; CHECK: // %bb.0:
@ -159,3 +177,4 @@ declare i16 @llvm.ctpop.i16(i16 %x)
declare i17 @llvm.ctpop.i17(i17 %x)
declare i32 @llvm.ctpop.i32(i32 %x)
declare i64 @llvm.ctpop.i64(i64 %x)
declare i128 @llvm.ctpop.i128(i128 %x)