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authorSimon Pilgrim <llvm-dev@redking.me.uk>2017-05-14 17:36:07 +0000
committerSimon Pilgrim <llvm-dev@redking.me.uk>2017-05-14 17:36:07 +0000
commitaa8dffb69bccbe4e41469e0023b7508dd44945f8 (patch)
tree8661444945d8ec71d591bd55e4469c62ea3a671c
parent7d186b016a18fd3421015b274e98b2fc7fdebe76 (diff)
downloadbcm5719-llvm-aa8dffb69bccbe4e41469e0023b7508dd44945f8.tar.gz
bcm5719-llvm-aa8dffb69bccbe4e41469e0023b7508dd44945f8.zip
[X86][SSE] Account for cost of extract/insert of v32i8 vector shifts
llvm-svn: 303012
-rw-r--r--llvm/lib/Target/X86/X86TargetTransformInfo.cpp6
-rw-r--r--llvm/test/Analysis/CostModel/X86/vshift-ashr-cost.ll8
-rw-r--r--llvm/test/Analysis/CostModel/X86/vshift-lshr-cost.ll8
-rw-r--r--llvm/test/Analysis/CostModel/X86/vshift-shl-cost.ll8
4 files changed, 15 insertions, 15 deletions
diff --git a/llvm/lib/Target/X86/X86TargetTransformInfo.cpp b/llvm/lib/Target/X86/X86TargetTransformInfo.cpp
index bfbd33e5b9d..ba6462a0768 100644
--- a/llvm/lib/Target/X86/X86TargetTransformInfo.cpp
+++ b/llvm/lib/Target/X86/X86TargetTransformInfo.cpp
@@ -251,9 +251,9 @@ int X86TTIImpl::getArithmeticInstrCost(
{ ISD::SRL, MVT::v16i8, 2 }, // psrlw + pand.
{ ISD::SRA, MVT::v16i8, 4 }, // psrlw, pand, pxor, psubb.
- { ISD::SHL, MVT::v32i8, 4 }, // 2*(psllw + pand).
- { ISD::SRL, MVT::v32i8, 4 }, // 2*(psrlw + pand).
- { ISD::SRA, MVT::v32i8, 8 }, // 2*(psrlw, pand, pxor, psubb).
+ { ISD::SHL, MVT::v32i8, 4+2 }, // 2*(psllw + pand) + split.
+ { ISD::SRL, MVT::v32i8, 4+2 }, // 2*(psrlw + pand) + split.
+ { ISD::SRA, MVT::v32i8, 8+2 }, // 2*(psrlw, pand, pxor, psubb) + split.
{ ISD::SDIV, MVT::v16i16, 12 }, // pmulhw sequence
{ ISD::SDIV, MVT::v8i16, 6 }, // pmulhw sequence
diff --git a/llvm/test/Analysis/CostModel/X86/vshift-ashr-cost.ll b/llvm/test/Analysis/CostModel/X86/vshift-ashr-cost.ll
index f2c692255ef..d57e0a2824a 100644
--- a/llvm/test/Analysis/CostModel/X86/vshift-ashr-cost.ll
+++ b/llvm/test/Analysis/CostModel/X86/vshift-ashr-cost.ll
@@ -637,10 +637,10 @@ define <32 x i8> @splatconstant_shift_v32i8(<32 x i8> %a) {
; CHECK: 'Cost Model Analysis' for function 'splatconstant_shift_v32i8':
; SSE2: Found an estimated cost of 8 for instruction: %shift
; SSE41: Found an estimated cost of 8 for instruction: %shift
-; AVX: Found an estimated cost of 8 for instruction: %shift
+; AVX: Found an estimated cost of 10 for instruction: %shift
; AVX2: Found an estimated cost of 4 for instruction: %shift
; AVX512: Found an estimated cost of 4 for instruction: %shift
-; XOPAVX: Found an estimated cost of 8 for instruction: %shift
+; XOPAVX: Found an estimated cost of 10 for instruction: %shift
; XOPAVX2: Found an estimated cost of 4 for instruction: %shift
%shift = ashr <32 x i8> %a, <i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3>
ret <32 x i8> %shift
@@ -650,11 +650,11 @@ define <64 x i8> @splatconstant_shift_v64i8(<64 x i8> %a) {
; CHECK: 'Cost Model Analysis' for function 'splatconstant_shift_v64i8':
; SSE2: Found an estimated cost of 16 for instruction: %shift
; SSE41: Found an estimated cost of 16 for instruction: %shift
-; AVX: Found an estimated cost of 16 for instruction: %shift
+; AVX: Found an estimated cost of 20 for instruction: %shift
; AVX2: Found an estimated cost of 8 for instruction: %shift
; AVX512F: Found an estimated cost of 8 for instruction: %shift
; AVX512BW: Found an estimated cost of 4 for instruction: %shift
-; XOPAVX: Found an estimated cost of 16 for instruction: %shift
+; XOPAVX: Found an estimated cost of 20 for instruction: %shift
; XOPAVX2: Found an estimated cost of 8 for instruction: %shift
%shift = ashr <64 x i8> %a, <i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3>
ret <64 x i8> %shift
diff --git a/llvm/test/Analysis/CostModel/X86/vshift-lshr-cost.ll b/llvm/test/Analysis/CostModel/X86/vshift-lshr-cost.ll
index ab402d151f7..c19a69601c0 100644
--- a/llvm/test/Analysis/CostModel/X86/vshift-lshr-cost.ll
+++ b/llvm/test/Analysis/CostModel/X86/vshift-lshr-cost.ll
@@ -644,10 +644,10 @@ define <32 x i8> @splatconstant_shift_v32i8(<32 x i8> %a) {
; CHECK: 'Cost Model Analysis' for function 'splatconstant_shift_v32i8':
; SSE2: Found an estimated cost of 4 for instruction: %shift
; SSE41: Found an estimated cost of 4 for instruction: %shift
-; AVX: Found an estimated cost of 4 for instruction: %shift
+; AVX: Found an estimated cost of 6 for instruction: %shift
; AVX2: Found an estimated cost of 2 for instruction: %shift
; AVX512: Found an estimated cost of 2 for instruction: %shift
-; XOPAVX: Found an estimated cost of 4 for instruction: %shift
+; XOPAVX: Found an estimated cost of 6 for instruction: %shift
; XOPAVX2: Found an estimated cost of 2 for instruction: %shift
%shift = lshr <32 x i8> %a, <i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3>
ret <32 x i8> %shift
@@ -657,11 +657,11 @@ define <64 x i8> @splatconstant_shift_v64i8(<64 x i8> %a) {
; CHECK: 'Cost Model Analysis' for function 'splatconstant_shift_v64i8':
; SSE2: Found an estimated cost of 8 for instruction: %shift
; SSE41: Found an estimated cost of 8 for instruction: %shift
-; AVX: Found an estimated cost of 8 for instruction: %shift
+; AVX: Found an estimated cost of 12 for instruction: %shift
; AVX2: Found an estimated cost of 4 for instruction: %shift
; AVX512F: Found an estimated cost of 4 for instruction: %shift
; AVX512BW: Found an estimated cost of 2 for instruction: %shift
-; XOPAVX: Found an estimated cost of 8 for instruction: %shift
+; XOPAVX: Found an estimated cost of 12 for instruction: %shift
; XOPAVX2: Found an estimated cost of 4 for instruction: %shift
%shift = lshr <64 x i8> %a, <i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3>
ret <64 x i8> %shift
diff --git a/llvm/test/Analysis/CostModel/X86/vshift-shl-cost.ll b/llvm/test/Analysis/CostModel/X86/vshift-shl-cost.ll
index 6ec524ad79f..e2f1a359b3e 100644
--- a/llvm/test/Analysis/CostModel/X86/vshift-shl-cost.ll
+++ b/llvm/test/Analysis/CostModel/X86/vshift-shl-cost.ll
@@ -647,10 +647,10 @@ define <32 x i8> @splatconstant_shift_v32i8(<32 x i8> %a) {
; CHECK: 'Cost Model Analysis' for function 'splatconstant_shift_v32i8':
; SSE2: Found an estimated cost of 4 for instruction: %shift
; SSE41: Found an estimated cost of 4 for instruction: %shift
-; AVX: Found an estimated cost of 4 for instruction: %shift
+; AVX: Found an estimated cost of 6 for instruction: %shift
; AVX2: Found an estimated cost of 2 for instruction: %shift
; AVX512: Found an estimated cost of 2 for instruction: %shift
-; XOPAVX: Found an estimated cost of 4 for instruction: %shift
+; XOPAVX: Found an estimated cost of 6 for instruction: %shift
; XOPAVX2: Found an estimated cost of 2 for instruction: %shift
%shift = shl <32 x i8> %a, <i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3>
ret <32 x i8> %shift
@@ -660,11 +660,11 @@ define <64 x i8> @splatconstant_shift_v64i8(<64 x i8> %a) {
; CHECK: 'Cost Model Analysis' for function 'splatconstant_shift_v64i8':
; SSE2: Found an estimated cost of 8 for instruction: %shift
; SSE41: Found an estimated cost of 8 for instruction: %shift
-; AVX: Found an estimated cost of 8 for instruction: %shift
+; AVX: Found an estimated cost of 12 for instruction: %shift
; AVX2: Found an estimated cost of 4 for instruction: %shift
; AVX512F: Found an estimated cost of 4 for instruction: %shift
; AVX512BW: Found an estimated cost of 2 for instruction: %shift
-; XOPAVX: Found an estimated cost of 8 for instruction: %shift
+; XOPAVX: Found an estimated cost of 12 for instruction: %shift
; XOPAVX2: Found an estimated cost of 4 for instruction: %shift
%shift = shl <64 x i8> %a, <i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3>
ret <64 x i8> %shift
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