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authorWeiming Zhao <weimingz@codeaurora.org>2014-11-19 00:29:14 +0000
committerWeiming Zhao <weimingz@codeaurora.org>2014-11-19 00:29:14 +0000
commit7a2d15678e729558529e3a14205d2924b3091f5c (patch)
tree6df942ea2399da32a192116b0f2c5472560e497c /llvm/test
parentc9d251e4d17c47504702d0a5b040ac20414f5ba7 (diff)
downloadbcm5719-llvm-7a2d15678e729558529e3a14205d2924b3091f5c.tar.gz
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[Aarch64] Customer lowering of CTPOP to SIMD should check for NEON availability
llvm-svn: 222292
Diffstat (limited to 'llvm/test')
-rw-r--r--llvm/test/CodeGen/AArch64/arm64-popcnt.ll14
1 files changed, 14 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AArch64/arm64-popcnt.ll b/llvm/test/CodeGen/AArch64/arm64-popcnt.ll
index 2afade2ee75..117ab3a5e05 100644
--- a/llvm/test/CodeGen/AArch64/arm64-popcnt.ll
+++ b/llvm/test/CodeGen/AArch64/arm64-popcnt.ll
@@ -1,4 +1,5 @@
; RUN: llc < %s -march=arm64 -aarch64-neon-syntax=apple | FileCheck %s
+; RUN: llc < %s -march=aarch64 -mattr -neon -aarch64-neon-syntax=apple | FileCheck -check-prefix=CHECK-NONEON %s
define i32 @cnt32_advsimd(i32 %x) nounwind readnone {
%cnt = tail call i32 @llvm.ctpop.i32(i32 %x)
@@ -8,6 +9,13 @@ define i32 @cnt32_advsimd(i32 %x) nounwind readnone {
; CHECK: uaddlv.8b h0, v0
; CHECK: fmov w0, s0
; CHECK: ret
+; CHECK-NONEON-LABEL: cnt32_advsimd
+; CHECK-NONEON-NOT: 8b
+; CHECK-NONEON: and w{{[0-9]+}}, w{{[0-9]+}}, #0x55555555
+; CHECK-NONEON: and w{{[0-9]+}}, w{{[0-9]+}}, #0x33333333
+; CHECK-NONEON: and w{{[0-9]+}}, w{{[0-9]+}}, #0xf0f0f0f
+; CHECK-NONEON: mul
+
}
define i64 @cnt64_advsimd(i64 %x) nounwind readnone {
@@ -18,6 +26,12 @@ define i64 @cnt64_advsimd(i64 %x) nounwind readnone {
; CHECK: uaddlv.8b h0, v0
; CHECK: fmov w0, s0
; CHECK: ret
+; CHECK-NONEON-LABEL: cnt64_advsimd
+; CHECK-NONEON-NOT: 8b
+; CHECK-NONEON: and x{{[0-9]+}}, x{{[0-9]+}}, #0x5555555555555555
+; CHECK-NONEON: and x{{[0-9]+}}, x{{[0-9]+}}, #0x3333333333333333
+; CHECK-NONEON: and x{{[0-9]+}}, x{{[0-9]+}}, #0xf0f0f0f0f0f0f0f
+; CHECK-NONEON: mul
}
; Do not use AdvSIMD when -mno-implicit-float is specified.
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