forked from OSchip/llvm-project
101 lines
2.8 KiB
LLVM
101 lines
2.8 KiB
LLVM
; RUN: llc -mtriple=aarch64-apple-darwin -fast-isel -verify-machineinstrs \
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; RUN: -aarch64-enable-atomic-cfg-tidy=0 -disable-cgp -disable-branch-fold \
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; RUN: < %s | FileCheck %s
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;
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; Verify that we don't mess up vector comparisons in fast-isel.
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;
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define <2 x i32> @icmp_v2i32(<2 x i32> %a) {
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; CHECK-LABEL: icmp_v2i32:
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; CHECK: ; BB#0:
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; CHECK-NEXT: cmeq.2s [[CMP:v[0-9]+]], v0, #0
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; CHECK-NEXT: ; BB#1:
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; CHECK-NEXT: movi.2s [[MASK:v[0-9]+]], #1
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; CHECK-NEXT: and.8b v0, [[CMP]], [[MASK]]
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; CHECK-NEXT: ret
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%c = icmp eq <2 x i32> %a, zeroinitializer
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br label %bb2
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bb2:
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%z = zext <2 x i1> %c to <2 x i32>
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ret <2 x i32> %z
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}
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define <2 x i32> @icmp_constfold_v2i32(<2 x i32> %a) {
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; CHECK-LABEL: icmp_constfold_v2i32:
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; CHECK: ; BB#0:
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; CHECK-NEXT: movi d[[CMP:[0-9]+]], #0xffffffffffffffff
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; CHECK-NEXT: ; BB#1:
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; CHECK-NEXT: movi.2s [[MASK:v[0-9]+]], #1
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; CHECK-NEXT: and.8b v0, v[[CMP]], [[MASK]]
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; CHECK-NEXT: ret
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%1 = icmp eq <2 x i32> %a, %a
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br label %bb2
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bb2:
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%2 = zext <2 x i1> %1 to <2 x i32>
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ret <2 x i32> %2
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}
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define <4 x i32> @icmp_v4i32(<4 x i32> %a) {
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; CHECK-LABEL: icmp_v4i32:
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; CHECK: ; BB#0:
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; CHECK-NEXT: cmeq.4s [[CMP:v[0-9]+]], v0, #0
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; CHECK-NEXT: xtn.4h [[CMPV4I16:v[0-9]+]], [[CMP]]
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; CHECK-NEXT: ; BB#1:
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; CHECK-NEXT: movi.4h [[MASK:v[0-9]+]], #1
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; CHECK-NEXT: and.8b [[ZEXT:v[0-9]+]], [[CMPV4I16]], [[MASK]]
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; CHECK-NEXT: ushll.4s v0, [[ZEXT]], #0
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; CHECK-NEXT: ret
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%c = icmp eq <4 x i32> %a, zeroinitializer
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br label %bb2
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bb2:
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%z = zext <4 x i1> %c to <4 x i32>
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ret <4 x i32> %z
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}
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define <4 x i32> @icmp_constfold_v4i32(<4 x i32> %a) {
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; CHECK-LABEL: icmp_constfold_v4i32:
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; CHECK: ; BB#0:
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; CHECK-NEXT: movi d[[CMP:[0-9]+]], #0xffffffffffffffff
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; CHECK-NEXT: ; BB#1:
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; CHECK-NEXT: movi.4h [[MASK:v[0-9]+]], #1
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; CHECK-NEXT: and.8b [[ZEXT:v[0-9]+]], v[[CMP]], [[MASK]]
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; CHECK-NEXT: ushll.4s v0, [[ZEXT]], #0
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; CHECK-NEXT: ret
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%1 = icmp eq <4 x i32> %a, %a
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br label %bb2
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bb2:
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%2 = zext <4 x i1> %1 to <4 x i32>
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ret <4 x i32> %2
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}
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define <16 x i8> @icmp_v16i8(<16 x i8> %a) {
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; CHECK-LABEL: icmp_v16i8:
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; CHECK: ; BB#0:
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; CHECK-NEXT: cmeq.16b [[CMP:v[0-9]+]], v0, #0
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; CHECK-NEXT: ; BB#1:
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; CHECK-NEXT: movi.16b [[MASK:v[0-9]+]], #1
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; CHECK-NEXT: and.16b v0, [[CMP]], [[MASK]]
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; CHECK-NEXT: ret
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%c = icmp eq <16 x i8> %a, zeroinitializer
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br label %bb2
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bb2:
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%z = zext <16 x i1> %c to <16 x i8>
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ret <16 x i8> %z
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}
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define <16 x i8> @icmp_constfold_v16i8(<16 x i8> %a) {
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; CHECK-LABEL: icmp_constfold_v16i8:
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; CHECK: ; BB#0:
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; CHECK-NEXT: movi.2d [[CMP:v[0-9]+]], #0xffffffffffffffff
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; CHECK-NEXT: ; BB#1:
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; CHECK-NEXT: movi.16b [[MASK:v[0-9]+]], #1
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; CHECK-NEXT: and.16b v0, [[CMP]], [[MASK]]
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; CHECK-NEXT: ret
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%1 = icmp eq <16 x i8> %a, %a
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br label %bb2
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bb2:
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%2 = zext <16 x i1> %1 to <16 x i8>
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ret <16 x i8> %2
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}
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