ConstantFold, InstSimplify: undef >>a x can be either -1 or 0, choose 0

[oota-llvm.git] / test / Transforms / InstCombine / 2012-04-23-Neon-Intrinsics.ll

diff --git a/test/Transforms/InstCombine/2012-04-23-Neon-Intrinsics.ll b/test/Transforms/InstCombine/2012-04-23-Neon-Intrinsics.ll
index 9bb988c37c0f66f6e677ba01aac70f3fd77ea31a..39408a2d394c1c5a2447ba88bf4cdde00aa9447e 100644 (file)
--- a/test/Transforms/InstCombine/2012-04-23-Neon-Intrinsics.ll
+++ b/test/Transforms/InstCombine/2012-04-23-Neon-Intrinsics.ll
@@ -1,6 +1,3 @@
-target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:32:64-v128:32:128-a0:0:32-n32-S32"
-target triple = "thumbv7-apple-ios0"
-
 ; RUN: opt -S -instcombine < %s | FileCheck %s
 
 define <4 x i32> @mulByZero(<4 x i16> %x) nounwind readnone ssp {
@@ -16,8 +13,8 @@ entry:
   %a = tail call <4 x i32> @llvm.arm.neon.vmulls.v4i32(<4 x i16> %x, <4 x i16> <i16 1, i16 1, i16 1, i16 1>) nounwind
   ret <4 x i32> %a
 ; CHECK: entry:
-; CHECK-NEXT: %0 = sext <4 x i16> %x to <4 x i32>
-; CHECK-NEXT: ret <4 x i32> %0
+; CHECK-NEXT: %a = sext <4 x i16> %x to <4 x i32>
+; CHECK-NEXT: ret <4 x i32> %a
 }
 
 define <4 x i32> @constantMul() nounwind readnone ssp {
@@ -50,7 +47,7 @@ entry:
   %b = add <4 x i32> zeroinitializer, %a
   ret <4 x i32> %b
 ; CHECK: entry:
-; CHECK-NEXT: %a = tail call <4 x i32> @llvm.arm.neon.vmulls.v4i32(<4 x i16> <i16 2, i16 2, i16 2, i16 2>, <4 x i16> %x) nounwind
+; CHECK-NEXT: %a = tail call <4 x i32> @llvm.arm.neon.vmulls.v4i32(<4 x i16> <i16 2, i16 2, i16 2, i16 2>, <4 x i16> %x) [[NUW:#[0-9]+]]
 ; CHECK-NEXT: ret <4 x i32> %a
 }
 
@@ -66,3 +63,73 @@ entry:
 
 declare <4 x i32> @llvm.arm.neon.vmulls.v4i32(<4 x i16>, <4 x i16>) nounwind readnone
 declare <4 x i32> @llvm.arm.neon.vmullu.v4i32(<4 x i16>, <4 x i16>) nounwind readnone
+
+; ARM64 variants - <rdar://problem/12349617>
+
+define <4 x i32> @mulByZeroARM64(<4 x i16> %x) nounwind readnone ssp {
+entry:
+  %a = tail call <4 x i32> @llvm.aarch64.neon.smull.v4i32(<4 x i16> %x, <4 x i16> zeroinitializer) nounwind
+  ret <4 x i32> %a
+; CHECK: entry:
+; CHECK-NEXT: ret <4 x i32> zeroinitializer
+}
+
+define <4 x i32> @mulByOneARM64(<4 x i16> %x) nounwind readnone ssp {
+entry:
+  %a = tail call <4 x i32> @llvm.aarch64.neon.smull.v4i32(<4 x i16> %x, <4 x i16> <i16 1, i16 1, i16 1, i16 1>) nounwind
+  ret <4 x i32> %a
+; CHECK: entry:
+; CHECK-NEXT: %a = sext <4 x i16> %x to <4 x i32>
+; CHECK-NEXT: ret <4 x i32> %a
+}
+
+define <4 x i32> @constantMulARM64() nounwind readnone ssp {
+entry:
+  %a = tail call <4 x i32> @llvm.aarch64.neon.smull.v4i32(<4 x i16> <i16 3, i16 3, i16 3, i16 3>, <4 x i16> <i16 2, i16 2, i16 2, i16 2>) nounwind
+  ret <4 x i32> %a
+; CHECK: entry:
+; CHECK-NEXT: ret <4 x i32> <i32 6, i32 6, i32 6, i32 6>
+}
+
+define <4 x i32> @constantMulSARM64() nounwind readnone ssp {
+entry:
+  %b = tail call <4 x i32> @llvm.aarch64.neon.smull.v4i32(<4 x i16> <i16 -1, i16 -1, i16 -1, i16 -1>, <4 x i16> <i16 1, i16 1, i16 1, i16 1>) nounwind
+  ret <4 x i32> %b
+; CHECK: entry:
+; CHECK-NEXT: ret <4 x i32> <i32 -1, i32 -1, i32 -1, i32 -1>
+}
+
+define <4 x i32> @constantMulUARM64() nounwind readnone ssp {
+entry:
+  %b = tail call <4 x i32> @llvm.aarch64.neon.umull.v4i32(<4 x i16> <i16 -1, i16 -1, i16 -1, i16 -1>, <4 x i16> <i16 1, i16 1, i16 1, i16 1>) nounwind
+  ret <4 x i32> %b
+; CHECK: entry:
+; CHECK-NEXT: ret <4 x i32> <i32 65535, i32 65535, i32 65535, i32 65535>
+}
+
+define <4 x i32> @complex1ARM64(<4 x i16> %x) nounwind readnone ssp {
+entry:
+  %a = tail call <4 x i32> @llvm.aarch64.neon.smull.v4i32(<4 x i16> <i16 2, i16 2, i16 2, i16 2>, <4 x i16> %x) nounwind
+  %b = add <4 x i32> zeroinitializer, %a
+  ret <4 x i32> %b
+; CHECK: entry:
+; CHECK-NEXT: %a = tail call <4 x i32> @llvm.aarch64.neon.smull.v4i32(<4 x i16> <i16 2, i16 2, i16 2, i16 2>, <4 x i16> %x) [[NUW:#[0-9]+]]
+; CHECK-NEXT: ret <4 x i32> %a
+}
+
+define <4 x i32> @complex2ARM64(<4 x i32> %x) nounwind readnone ssp {
+entry:
+  %a = tail call <4 x i32> @llvm.aarch64.neon.smull.v4i32(<4 x i16> <i16 3, i16 3, i16 3, i16 3>, <4 x i16> <i16 2, i16 2, i16 2, i16 2>) nounwind
+  %b = add <4 x i32> %x, %a
+  ret <4 x i32> %b
+; CHECK: entry:
+; CHECK-NEXT: %b = add <4 x i32> %x, <i32 6, i32 6, i32 6, i32 6>
+; CHECK-NEXT: ret <4 x i32> %b
+}
+
+declare <4 x i32> @llvm.aarch64.neon.smull.v4i32(<4 x i16>, <4 x i16>) nounwind readnone
+declare <4 x i32> @llvm.aarch64.neon.umull.v4i32(<4 x i16>, <4 x i16>) nounwind readnone
+
+; CHECK: attributes #0 = { nounwind readnone ssp }
+; CHECK: attributes #1 = { nounwind readnone }
+; CHECK: attributes [[NUW]] = { nounwind }