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[RISCV] Don't scale cost by LMUL for TCK_CodeSize in getMemoryOpCost (#78407)
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3 files changed

+51
-51
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‎llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1476,7 +1476,7 @@ InstructionCost RISCVTTIImpl::getMemoryOpCost(unsigned Opcode, Type *Src,
14761476
// possible accessed by the instruction. Note that BasicTTI already
14771477
// handles the LT.first term for us.
14781478
if (std::pair<InstructionCost, MVT> LT = getTypeLegalizationCost(Src);
1479-
LT.second.isVector())
1479+
LT.second.isVector() && CostKind != TTI::TCK_CodeSize)
14801480
BaseCost *= TLI->getLMULCost(LT.second);
14811481
return Cost + BaseCost;
14821482

‎llvm/test/Analysis/CostModel/RISCV/rvv-load-store.ll

Lines changed: 38 additions & 38 deletions
Original file line numberDiff line numberDiff line change
@@ -85,8 +85,8 @@ define void @load(ptr %p) {
8585
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %9 = load <vscale x 2 x i8>, ptr %p, align 2
8686
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %10 = load <vscale x 4 x i8>, ptr %p, align 4
8787
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %11 = load <vscale x 8 x i8>, ptr %p, align 8
88-
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %12 = load <vscale x 16 x i8>, ptr %p, align 16
89-
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %13 = load <vscale x 32 x i8>, ptr %p, align 32
88+
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %12 = load <vscale x 16 x i8>, ptr %p, align 16
89+
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %13 = load <vscale x 32 x i8>, ptr %p, align 32
9090
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %14 = load i16, ptr %p, align 2
9191
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %15 = load <1 x i16>, ptr %p, align 2
9292
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %16 = load <2 x i16>, ptr %p, align 4
@@ -97,9 +97,9 @@ define void @load(ptr %p) {
9797
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %21 = load <vscale x 1 x i16>, ptr %p, align 2
9898
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %22 = load <vscale x 2 x i16>, ptr %p, align 4
9999
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %23 = load <vscale x 4 x i16>, ptr %p, align 8
100-
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %24 = load <vscale x 8 x i16>, ptr %p, align 16
101-
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %25 = load <vscale x 16 x i16>, ptr %p, align 32
102-
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 8 for instruction: %26 = load <vscale x 32 x i16>, ptr %p, align 64
100+
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %24 = load <vscale x 8 x i16>, ptr %p, align 16
101+
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %25 = load <vscale x 16 x i16>, ptr %p, align 32
102+
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %26 = load <vscale x 32 x i16>, ptr %p, align 64
103103
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %27 = load i32, ptr %p, align 4
104104
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %28 = load <1 x i32>, ptr %p, align 4
105105
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %29 = load <2 x i32>, ptr %p, align 8
@@ -109,10 +109,10 @@ define void @load(ptr %p) {
109109
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 8 for instruction: %33 = load <32 x i32>, ptr %p, align 128
110110
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %34 = load <vscale x 1 x i32>, ptr %p, align 4
111111
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %35 = load <vscale x 2 x i32>, ptr %p, align 8
112-
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %36 = load <vscale x 4 x i32>, ptr %p, align 16
113-
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %37 = load <vscale x 8 x i32>, ptr %p, align 32
114-
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 8 for instruction: %38 = load <vscale x 16 x i32>, ptr %p, align 64
115-
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 16 for instruction: %39 = load <vscale x 32 x i32>, ptr %p, align 128
112+
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %36 = load <vscale x 4 x i32>, ptr %p, align 16
113+
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %37 = load <vscale x 8 x i32>, ptr %p, align 32
114+
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %38 = load <vscale x 16 x i32>, ptr %p, align 64
115+
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %39 = load <vscale x 32 x i32>, ptr %p, align 128
116116
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %40 = load i64, ptr %p, align 8
117117
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %41 = load <1 x i64>, ptr %p, align 8
118118
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %42 = load <2 x i64>, ptr %p, align 16
@@ -121,11 +121,11 @@ define void @load(ptr %p) {
121121
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 8 for instruction: %45 = load <16 x i64>, ptr %p, align 128
122122
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 16 for instruction: %46 = load <32 x i64>, ptr %p, align 256
123123
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %47 = load <vscale x 1 x i64>, ptr %p, align 8
124-
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %48 = load <vscale x 2 x i64>, ptr %p, align 16
125-
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %49 = load <vscale x 4 x i64>, ptr %p, align 32
126-
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 8 for instruction: %50 = load <vscale x 8 x i64>, ptr %p, align 64
127-
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 16 for instruction: %51 = load <vscale x 16 x i64>, ptr %p, align 128
128-
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 32 for instruction: %52 = load <vscale x 32 x i64>, ptr %p, align 256
124+
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %48 = load <vscale x 2 x i64>, ptr %p, align 16
125+
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %49 = load <vscale x 4 x i64>, ptr %p, align 32
126+
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %50 = load <vscale x 8 x i64>, ptr %p, align 64
127+
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %51 = load <vscale x 16 x i64>, ptr %p, align 128
128+
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %52 = load <vscale x 32 x i64>, ptr %p, align 256
129129
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %53 = load ptr, ptr %p, align 8
130130
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %54 = load <1 x ptr>, ptr %p, align 8
131131
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %55 = load <2 x ptr>, ptr %p, align 16
@@ -134,11 +134,11 @@ define void @load(ptr %p) {
134134
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 8 for instruction: %58 = load <16 x ptr>, ptr %p, align 128
135135
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 16 for instruction: %59 = load <32 x ptr>, ptr %p, align 256
136136
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %60 = load <vscale x 1 x ptr>, ptr %p, align 8
137-
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %61 = load <vscale x 2 x ptr>, ptr %p, align 16
138-
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %62 = load <vscale x 4 x ptr>, ptr %p, align 32
139-
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 8 for instruction: %63 = load <vscale x 8 x ptr>, ptr %p, align 64
140-
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 16 for instruction: %64 = load <vscale x 16 x ptr>, ptr %p, align 128
141-
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 32 for instruction: %65 = load <vscale x 32 x ptr>, ptr %p, align 256
137+
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %61 = load <vscale x 2 x ptr>, ptr %p, align 16
138+
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %62 = load <vscale x 4 x ptr>, ptr %p, align 32
139+
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %63 = load <vscale x 8 x ptr>, ptr %p, align 64
140+
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %64 = load <vscale x 16 x ptr>, ptr %p, align 128
141+
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %65 = load <vscale x 32 x ptr>, ptr %p, align 256
142142
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
143143
;
144144
load i8, ptr %p
@@ -296,8 +296,8 @@ define void @store(ptr %p) {
296296
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: store <vscale x 2 x i8> undef, ptr %p, align 2
297297
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: store <vscale x 4 x i8> undef, ptr %p, align 4
298298
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: store <vscale x 8 x i8> undef, ptr %p, align 8
299-
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 2 for instruction: store <vscale x 16 x i8> undef, ptr %p, align 16
300-
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 4 for instruction: store <vscale x 32 x i8> undef, ptr %p, align 32
299+
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: store <vscale x 16 x i8> undef, ptr %p, align 16
300+
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: store <vscale x 32 x i8> undef, ptr %p, align 32
301301
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: store i16 undef, ptr %p, align 2
302302
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: store <1 x i16> undef, ptr %p, align 2
303303
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: store <2 x i16> undef, ptr %p, align 4
@@ -308,9 +308,9 @@ define void @store(ptr %p) {
308308
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: store <vscale x 1 x i16> undef, ptr %p, align 2
309309
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: store <vscale x 2 x i16> undef, ptr %p, align 4
310310
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: store <vscale x 4 x i16> undef, ptr %p, align 8
311-
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 2 for instruction: store <vscale x 8 x i16> undef, ptr %p, align 16
312-
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 4 for instruction: store <vscale x 16 x i16> undef, ptr %p, align 32
313-
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 8 for instruction: store <vscale x 32 x i16> undef, ptr %p, align 64
311+
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: store <vscale x 8 x i16> undef, ptr %p, align 16
312+
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: store <vscale x 16 x i16> undef, ptr %p, align 32
313+
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: store <vscale x 32 x i16> undef, ptr %p, align 64
314314
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: store i32 undef, ptr %p, align 4
315315
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: store <1 x i32> undef, ptr %p, align 4
316316
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: store <2 x i32> undef, ptr %p, align 8
@@ -320,10 +320,10 @@ define void @store(ptr %p) {
320320
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 8 for instruction: store <32 x i32> undef, ptr %p, align 128
321321
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: store <vscale x 1 x i32> undef, ptr %p, align 4
322322
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: store <vscale x 2 x i32> undef, ptr %p, align 8
323-
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 2 for instruction: store <vscale x 4 x i32> undef, ptr %p, align 16
324-
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 4 for instruction: store <vscale x 8 x i32> undef, ptr %p, align 32
325-
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 8 for instruction: store <vscale x 16 x i32> undef, ptr %p, align 64
326-
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 16 for instruction: store <vscale x 32 x i32> undef, ptr %p, align 128
323+
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: store <vscale x 4 x i32> undef, ptr %p, align 16
324+
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: store <vscale x 8 x i32> undef, ptr %p, align 32
325+
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: store <vscale x 16 x i32> undef, ptr %p, align 64
326+
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 2 for instruction: store <vscale x 32 x i32> undef, ptr %p, align 128
327327
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: store i64 undef, ptr %p, align 8
328328
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: store <1 x i64> undef, ptr %p, align 8
329329
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: store <2 x i64> undef, ptr %p, align 16
@@ -332,11 +332,11 @@ define void @store(ptr %p) {
332332
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 8 for instruction: store <16 x i64> undef, ptr %p, align 128
333333
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 16 for instruction: store <32 x i64> undef, ptr %p, align 256
334334
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: store <vscale x 1 x i64> undef, ptr %p, align 8
335-
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 2 for instruction: store <vscale x 2 x i64> undef, ptr %p, align 16
336-
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 4 for instruction: store <vscale x 4 x i64> undef, ptr %p, align 32
337-
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 8 for instruction: store <vscale x 8 x i64> undef, ptr %p, align 64
338-
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 16 for instruction: store <vscale x 16 x i64> undef, ptr %p, align 128
339-
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 32 for instruction: store <vscale x 32 x i64> undef, ptr %p, align 256
335+
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: store <vscale x 2 x i64> undef, ptr %p, align 16
336+
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: store <vscale x 4 x i64> undef, ptr %p, align 32
337+
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: store <vscale x 8 x i64> undef, ptr %p, align 64
338+
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 2 for instruction: store <vscale x 16 x i64> undef, ptr %p, align 128
339+
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 4 for instruction: store <vscale x 32 x i64> undef, ptr %p, align 256
340340
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: store ptr undef, ptr %p, align 8
341341
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: store <1 x ptr> undef, ptr %p, align 8
342342
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: store <2 x ptr> undef, ptr %p, align 16
@@ -345,11 +345,11 @@ define void @store(ptr %p) {
345345
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 8 for instruction: store <16 x ptr> undef, ptr %p, align 128
346346
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 16 for instruction: store <32 x ptr> undef, ptr %p, align 256
347347
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: store <vscale x 1 x ptr> undef, ptr %p, align 8
348-
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 2 for instruction: store <vscale x 2 x ptr> undef, ptr %p, align 16
349-
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 4 for instruction: store <vscale x 4 x ptr> undef, ptr %p, align 32
350-
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 8 for instruction: store <vscale x 8 x ptr> undef, ptr %p, align 64
351-
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 16 for instruction: store <vscale x 16 x ptr> undef, ptr %p, align 128
352-
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 32 for instruction: store <vscale x 32 x ptr> undef, ptr %p, align 256
348+
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: store <vscale x 2 x ptr> undef, ptr %p, align 16
349+
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: store <vscale x 4 x ptr> undef, ptr %p, align 32
350+
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: store <vscale x 8 x ptr> undef, ptr %p, align 64
351+
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 2 for instruction: store <vscale x 16 x ptr> undef, ptr %p, align 128
352+
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 4 for instruction: store <vscale x 32 x ptr> undef, ptr %p, align 256
353353
; CODESIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
354354
;
355355
store i8 undef, ptr %p

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