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llvm-svn: 186280
151 lines
3.6 KiB
LLVM
151 lines
3.6 KiB
LLVM
; RUN: llc < %s -march=arm -mattr=+neon | FileCheck %s
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; PR12281
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; Test generataion of code for vmull instruction when multiplying 128-bit
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; vectors that were created by sign-extending smaller vector sizes.
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;
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; The vmull operation requires 64-bit vectors, so we must extend the original
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; vector size to 64 bits for vmull operation.
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; Previously failed with an assertion because the <4 x i8> vector was too small
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; for vmull.
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; Vector x Constant
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; v4i8
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;
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define void @sextload_v4i8_c(<4 x i8>* %v) nounwind {
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;CHECK-LABEL: sextload_v4i8_c:
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entry:
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%0 = load <4 x i8>* %v, align 8
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%v0 = sext <4 x i8> %0 to <4 x i32>
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;CHECK: vmull
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%v1 = mul <4 x i32> %v0, <i32 3, i32 3, i32 3, i32 3>
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store <4 x i32> %v1, <4 x i32>* undef, align 8
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ret void;
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}
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; v2i8
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;
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define void @sextload_v2i8_c(<2 x i8>* %v) nounwind {
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;CHECK-LABEL: sextload_v2i8_c:
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entry:
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%0 = load <2 x i8>* %v, align 8
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%v0 = sext <2 x i8> %0 to <2 x i64>
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;CHECK: vmull
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%v1 = mul <2 x i64> %v0, <i64 3, i64 3>
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store <2 x i64> %v1, <2 x i64>* undef, align 8
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ret void;
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}
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; v2i16
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;
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define void @sextload_v2i16_c(<2 x i16>* %v) nounwind {
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;CHECK-LABEL: sextload_v2i16_c:
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entry:
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%0 = load <2 x i16>* %v, align 8
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%v0 = sext <2 x i16> %0 to <2 x i64>
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;CHECK: vmull
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%v1 = mul <2 x i64> %v0, <i64 3, i64 3>
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store <2 x i64> %v1, <2 x i64>* undef, align 8
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ret void;
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}
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; Vector x Vector
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; v4i8
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;
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define void @sextload_v4i8_v(<4 x i8>* %v, <4 x i8>* %p) nounwind {
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;CHECK-LABEL: sextload_v4i8_v:
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entry:
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%0 = load <4 x i8>* %v, align 8
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%v0 = sext <4 x i8> %0 to <4 x i32>
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%1 = load <4 x i8>* %p, align 8
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%v2 = sext <4 x i8> %1 to <4 x i32>
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;CHECK: vmull
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%v1 = mul <4 x i32> %v0, %v2
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store <4 x i32> %v1, <4 x i32>* undef, align 8
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ret void;
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}
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; v2i8
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;
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define void @sextload_v2i8_v(<2 x i8>* %v, <2 x i8>* %p) nounwind {
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;CHECK-LABEL: sextload_v2i8_v:
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entry:
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%0 = load <2 x i8>* %v, align 8
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%v0 = sext <2 x i8> %0 to <2 x i64>
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%1 = load <2 x i8>* %p, align 8
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%v2 = sext <2 x i8> %1 to <2 x i64>
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;CHECK: vmull
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%v1 = mul <2 x i64> %v0, %v2
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store <2 x i64> %v1, <2 x i64>* undef, align 8
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ret void;
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}
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; v2i16
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;
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define void @sextload_v2i16_v(<2 x i16>* %v, <2 x i16>* %p) nounwind {
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;CHECK-LABEL: sextload_v2i16_v:
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entry:
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%0 = load <2 x i16>* %v, align 8
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%v0 = sext <2 x i16> %0 to <2 x i64>
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%1 = load <2 x i16>* %p, align 8
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%v2 = sext <2 x i16> %1 to <2 x i64>
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;CHECK: vmull
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%v1 = mul <2 x i64> %v0, %v2
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store <2 x i64> %v1, <2 x i64>* undef, align 8
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ret void;
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}
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; Vector(small) x Vector(big)
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; v4i8 x v4i16
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;
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define void @sextload_v4i8_vs(<4 x i8>* %v, <4 x i16>* %p) nounwind {
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;CHECK-LABEL: sextload_v4i8_vs:
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entry:
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%0 = load <4 x i8>* %v, align 8
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%v0 = sext <4 x i8> %0 to <4 x i32>
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%1 = load <4 x i16>* %p, align 8
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%v2 = sext <4 x i16> %1 to <4 x i32>
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;CHECK: vmull
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%v1 = mul <4 x i32> %v0, %v2
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store <4 x i32> %v1, <4 x i32>* undef, align 8
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ret void;
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}
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; v2i8
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; v2i8 x v2i16
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define void @sextload_v2i8_vs(<2 x i8>* %v, <2 x i16>* %p) nounwind {
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;CHECK-LABEL: sextload_v2i8_vs:
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entry:
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%0 = load <2 x i8>* %v, align 8
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%v0 = sext <2 x i8> %0 to <2 x i64>
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%1 = load <2 x i16>* %p, align 8
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%v2 = sext <2 x i16> %1 to <2 x i64>
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;CHECK: vmull
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%v1 = mul <2 x i64> %v0, %v2
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store <2 x i64> %v1, <2 x i64>* undef, align 8
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ret void;
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}
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; v2i16
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; v2i16 x v2i32
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define void @sextload_v2i16_vs(<2 x i16>* %v, <2 x i32>* %p) nounwind {
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;CHECK-LABEL: sextload_v2i16_vs:
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entry:
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%0 = load <2 x i16>* %v, align 8
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%v0 = sext <2 x i16> %0 to <2 x i64>
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%1 = load <2 x i32>* %p, align 8
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%v2 = sext <2 x i32> %1 to <2 x i64>
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;CHECK: vmull
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%v1 = mul <2 x i64> %v0, %v2
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store <2 x i64> %v1, <2 x i64>* undef, align 8
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ret void;
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}
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