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[RISCV][CostModel] Remove cost of icmp inst in icmp+select with SFB. #91158
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71a7c43
Pre-commit test case for instruction cost of cmp instr (nfc)
ElvisWang123 f88d5ae
[RISCV][CostModel] Remove cost of cmp inst in cmp+select with SFB.
ElvisWang123 0668031
Address comments
ElvisWang123 58fe83d
Update testcases to elimiate irrelevance difference
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; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py | ||
; RUN: opt < %s -mtriple=riscv64 -mattr=+v,+f,+short-forward-branch-opt -passes="print<cost-model>" -cost-kind=throughput 2>&1 -disable-output | FileCheck %s --check-prefixes=SFB64 | ||
; RUN: opt < %s -mtriple=riscv64 -mattr=+v,+f -passes="print<cost-model>" -cost-kind=throughput 2>&1 -disable-output | FileCheck %s --check-prefixes=RV64 | ||
|
||
define i32 @icmp-iselect(i64 %ca, i64 %cb, i32 %a, i32 %b) { | ||
; SFB64-LABEL: 'icmp-iselect' | ||
; SFB64-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %cmp1 = icmp slt i64 %ca, %cb | ||
; SFB64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %select1 = select i1 %cmp1, i32 %a, i32 %b | ||
; SFB64-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i32 %select1 | ||
; | ||
; RV64-LABEL: 'icmp-iselect' | ||
; RV64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %cmp1 = icmp slt i64 %ca, %cb | ||
; RV64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %select1 = select i1 %cmp1, i32 %a, i32 %b | ||
; RV64-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i32 %select1 | ||
; | ||
%cmp1 = icmp slt i64 %ca, %cb | ||
%select1 = select i1 %cmp1, i32 %a, i32 %b | ||
ret i32 %select1 | ||
} | ||
|
||
define i32 @icmp-iselects(i64 %ca, i64 %cb, i32 %a, i32 %b, i32 %c) { | ||
; SFB64-LABEL: 'icmp-iselects' | ||
; SFB64-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %cmp1 = icmp slt i64 %ca, %cb | ||
; SFB64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %select1 = select i1 %cmp1, i32 %a, i32 %b | ||
; SFB64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %select2 = select i1 %cmp1, i32 %a, i32 %c | ||
; SFB64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %ret = add i32 %select1, %select2 | ||
; SFB64-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i32 %ret | ||
; | ||
; RV64-LABEL: 'icmp-iselects' | ||
; RV64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %cmp1 = icmp slt i64 %ca, %cb | ||
; RV64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %select1 = select i1 %cmp1, i32 %a, i32 %b | ||
; RV64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %select2 = select i1 %cmp1, i32 %a, i32 %c | ||
; RV64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %ret = add i32 %select1, %select2 | ||
; RV64-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i32 %ret | ||
; | ||
%cmp1 = icmp slt i64 %ca, %cb | ||
%select1 = select i1 %cmp1, i32 %a, i32 %b | ||
%select2 = select i1 %cmp1, i32 %a, i32 %c | ||
%ret = add i32 %select1, %select2 | ||
ret i32 %ret | ||
} | ||
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||
define i32 @icmp-ifselects(i64 %ca, i64 %cb, i32 %a, i32 %b, float %c, float %d) { | ||
; SFB64-LABEL: 'icmp-ifselects' | ||
; SFB64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %cmp1 = icmp slt i64 %ca, %cb | ||
; SFB64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %select1 = select i1 %cmp1, i32 %a, i32 %b | ||
; SFB64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %select2 = select i1 %cmp1, float %c, float %d | ||
; SFB64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %selectint = fptosi float %select2 to i32 | ||
; SFB64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %ret = add i32 %select1, %selectint | ||
; SFB64-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i32 %ret | ||
; | ||
; RV64-LABEL: 'icmp-ifselects' | ||
; RV64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %cmp1 = icmp slt i64 %ca, %cb | ||
; RV64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %select1 = select i1 %cmp1, i32 %a, i32 %b | ||
; RV64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %select2 = select i1 %cmp1, float %c, float %d | ||
; RV64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %selectint = fptosi float %select2 to i32 | ||
; RV64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %ret = add i32 %select1, %selectint | ||
; RV64-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i32 %ret | ||
; | ||
%cmp1 = icmp slt i64 %ca, %cb | ||
%select1 = select i1 %cmp1, i32 %a, i32 %b | ||
%select2 = select i1 %cmp1, float %c, float %d | ||
%selectint = fptosi float %select2 to i32 | ||
%ret = add i32 %select1, %selectint | ||
ret i32 %ret | ||
} | ||
|
||
define i32 @constant-icmp-iselect(i64 %ca, i64 %cb, i32 %a) { | ||
; SFB64-LABEL: 'constant-icmp-iselect' | ||
; SFB64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %cmp1 = icmp slt i64 %ca, %cb | ||
; SFB64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %select1 = select i1 %cmp1, i32 %a, i32 7 | ||
; SFB64-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i32 %select1 | ||
; | ||
; RV64-LABEL: 'constant-icmp-iselect' | ||
; RV64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %cmp1 = icmp slt i64 %ca, %cb | ||
; RV64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %select1 = select i1 %cmp1, i32 %a, i32 7 | ||
; RV64-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i32 %select1 | ||
; | ||
%cmp1 = icmp slt i64 %ca, %cb | ||
%select1 = select i1 %cmp1, i32 %a, i32 7 | ||
ret i32 %select1 | ||
} | ||
|
||
define i32 @fcmp-iselect(float %ca, float %cb, i32 %a, i32 %b) { | ||
; SFB64-LABEL: 'fcmp-iselect' | ||
; SFB64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %fcmp1 = fcmp ogt float %ca, %cb | ||
; SFB64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %select1 = select i1 %fcmp1, i32 %a, i32 %b | ||
; SFB64-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i32 %select1 | ||
; | ||
; RV64-LABEL: 'fcmp-iselect' | ||
; RV64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %fcmp1 = fcmp ogt float %ca, %cb | ||
; RV64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %select1 = select i1 %fcmp1, i32 %a, i32 %b | ||
; RV64-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i32 %select1 | ||
; | ||
%fcmp1 = fcmp ogt float %ca, %cb | ||
%select1 = select i1 %fcmp1, i32 %a, i32 %b | ||
ret i32 %select1 | ||
} | ||
|
||
define float @fcmp-fselect(float %ca, float %cb, float %a, float %b) { | ||
; SFB64-LABEL: 'fcmp-fselect' | ||
; SFB64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %fcmp1 = fcmp ogt float %ca, %cb | ||
; SFB64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %fselect1 = select i1 %fcmp1, float %a, float %b | ||
; SFB64-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret float %fselect1 | ||
; | ||
; RV64-LABEL: 'fcmp-fselect' | ||
; RV64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %fcmp1 = fcmp ogt float %ca, %cb | ||
; RV64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %fselect1 = select i1 %fcmp1, float %a, float %b | ||
; RV64-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret float %fselect1 | ||
; | ||
%fcmp1 = fcmp ogt float %ca, %cb | ||
%fselect1 = select i1 %fcmp1, float %a, float %b | ||
ret float %fselect1 | ||
} | ||
|
||
define float @icmp-fselect(i64 %ca, i64 %cb, float %a, float %b) { | ||
; SFB64-LABEL: 'icmp-fselect' | ||
; SFB64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %icmp1 = icmp slt i64 %ca, %cb | ||
; SFB64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %fselect1 = select i1 %icmp1, float %a, float %b | ||
; SFB64-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret float %fselect1 | ||
; | ||
; RV64-LABEL: 'icmp-fselect' | ||
; RV64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %icmp1 = icmp slt i64 %ca, %cb | ||
; RV64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %fselect1 = select i1 %icmp1, float %a, float %b | ||
; RV64-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret float %fselect1 | ||
; | ||
%icmp1 = icmp slt i64 %ca, %cb | ||
%fselect1 = select i1 %icmp1, float %a, float %b | ||
ret float %fselect1 | ||
} | ||
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||
define <2 x i32> @vector-icmp-vector-iselect(<2 x i32> %ca, <2 x i32> %cb, <2 x i32> %a, <2 x i32> %b) { | ||
; SFB64-LABEL: 'vector-icmp-vector-iselect' | ||
; SFB64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %icmp = icmp slt <2 x i32> %ca, %cb | ||
; SFB64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %select1 = select <2 x i1> %icmp, <2 x i32> %a, <2 x i32> %b | ||
; SFB64-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret <2 x i32> %select1 | ||
; | ||
; RV64-LABEL: 'vector-icmp-vector-iselect' | ||
; RV64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %icmp = icmp slt <2 x i32> %ca, %cb | ||
; RV64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %select1 = select <2 x i1> %icmp, <2 x i32> %a, <2 x i32> %b | ||
; RV64-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret <2 x i32> %select1 | ||
; | ||
%icmp = icmp slt <2 x i32> %ca, %cb | ||
%select1 = select <2 x i1> %icmp, <2 x i32> %a, <2 x i32> %b | ||
ret <2 x i32> %select1 | ||
} | ||
|
||
define <2 x i32> @vector-fcmp-vector-iselect(<2 x float> %ca, <2 x float> %cb, <2 x i32> %a, <2 x i32> %b) { | ||
; SFB64-LABEL: 'vector-fcmp-vector-iselect' | ||
; SFB64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %fcmp1 = fcmp ogt <2 x float> %ca, %cb | ||
; SFB64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %select1 = select <2 x i1> %fcmp1, <2 x i32> %a, <2 x i32> %b | ||
; SFB64-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret <2 x i32> %select1 | ||
; | ||
; RV64-LABEL: 'vector-fcmp-vector-iselect' | ||
; RV64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %fcmp1 = fcmp ogt <2 x float> %ca, %cb | ||
; RV64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %select1 = select <2 x i1> %fcmp1, <2 x i32> %a, <2 x i32> %b | ||
; RV64-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret <2 x i32> %select1 | ||
; | ||
%fcmp1 = fcmp ogt <2 x float> %ca, %cb | ||
%select1 = select <2 x i1> %fcmp1, <2 x i32> %a, <2 x i32> %b | ||
ret <2 x i32> %select1 | ||
} | ||
|
||
define <2 x float> @vector-fcmp-vector-fselect(<2 x float> %ca, <2 x float> %cb, <2 x float> %a, <2 x float> %b) { | ||
; SFB64-LABEL: 'vector-fcmp-vector-fselect' | ||
; SFB64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %fcmp1 = fcmp ogt <2 x float> %ca, %cb | ||
; SFB64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %select1 = select <2 x i1> %fcmp1, <2 x float> %a, <2 x float> %b | ||
; SFB64-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret <2 x float> %select1 | ||
; | ||
; RV64-LABEL: 'vector-fcmp-vector-fselect' | ||
; RV64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %fcmp1 = fcmp ogt <2 x float> %ca, %cb | ||
; RV64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %select1 = select <2 x i1> %fcmp1, <2 x float> %a, <2 x float> %b | ||
; RV64-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret <2 x float> %select1 | ||
; | ||
%fcmp1 = fcmp ogt <2 x float> %ca, %cb | ||
%select1 = select <2 x i1> %fcmp1, <2 x float> %a, <2 x float> %b | ||
ret <2 x float> %select1 | ||
} | ||
|
||
define <2 x float> @vector-icmp-vector-fselect(<2 x i32> %ca, <2 x i32> %cb, <2 x float> %a, <2 x float> %b) { | ||
; SFB64-LABEL: 'vector-icmp-vector-fselect' | ||
; SFB64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %icmp1 = icmp slt <2 x i32> %ca, %cb | ||
; SFB64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %select1 = select <2 x i1> %icmp1, <2 x float> %a, <2 x float> %b | ||
; SFB64-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret <2 x float> %select1 | ||
; | ||
; RV64-LABEL: 'vector-icmp-vector-fselect' | ||
; RV64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %icmp1 = icmp slt <2 x i32> %ca, %cb | ||
; RV64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %select1 = select <2 x i1> %icmp1, <2 x float> %a, <2 x float> %b | ||
; RV64-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret <2 x float> %select1 | ||
; | ||
%icmp1 = icmp slt <2 x i32> %ca, %cb | ||
%select1 = select <2 x i1> %icmp1, <2 x float> %a, <2 x float> %b | ||
ret <2 x float> %select1 | ||
} | ||
|
||
define <2 x float> @icmp-vector-fselect(i1 %ca, i1 %cb, <2 x float> %a, <2 x float> %b) { | ||
; SFB64-LABEL: 'icmp-vector-fselect' | ||
; SFB64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %icmp1 = icmp slt i1 %ca, %cb | ||
; SFB64-NEXT: Cost Model: Found an estimated cost of 3 for instruction: %select1 = select i1 %icmp1, <2 x float> %a, <2 x float> %b | ||
; SFB64-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret <2 x float> %select1 | ||
; | ||
; RV64-LABEL: 'icmp-vector-fselect' | ||
; RV64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %icmp1 = icmp slt i1 %ca, %cb | ||
; RV64-NEXT: Cost Model: Found an estimated cost of 3 for instruction: %select1 = select i1 %icmp1, <2 x float> %a, <2 x float> %b | ||
; RV64-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret <2 x float> %select1 | ||
; | ||
%icmp1 = icmp slt i1 %ca, %cb | ||
%select1 = select i1 %icmp1, <2 x float> %a, <2 x float> %b | ||
ret <2 x float> %select1 | ||
} | ||
|
||
define <2 x i32> @icmp-vector-iselect(i1 %ca, i1 %cb, <2 x i32> %a, <2 x i32> %b) { | ||
; SFB64-LABEL: 'icmp-vector-iselect' | ||
; SFB64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %icmp1 = icmp slt i1 %ca, %cb | ||
; SFB64-NEXT: Cost Model: Found an estimated cost of 3 for instruction: %select1 = select i1 %icmp1, <2 x i32> %a, <2 x i32> %b | ||
; SFB64-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret <2 x i32> %select1 | ||
; | ||
; RV64-LABEL: 'icmp-vector-iselect' | ||
; RV64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %icmp1 = icmp slt i1 %ca, %cb | ||
; RV64-NEXT: Cost Model: Found an estimated cost of 3 for instruction: %select1 = select i1 %icmp1, <2 x i32> %a, <2 x i32> %b | ||
; RV64-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret <2 x i32> %select1 | ||
; | ||
%icmp1 = icmp slt i1 %ca, %cb | ||
%select1 = select i1 %icmp1, <2 x i32> %a, <2 x i32> %b | ||
ret <2 x i32> %select1 | ||
} | ||
|
||
define <2 x float> @fcmp-vector-fselect(float %ca, float %cb, <2 x float> %a, <2 x float> %b) { | ||
; SFB64-LABEL: 'fcmp-vector-fselect' | ||
; SFB64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %fcmp1 = fcmp ogt float %ca, %cb | ||
; SFB64-NEXT: Cost Model: Found an estimated cost of 3 for instruction: %select1 = select i1 %fcmp1, <2 x float> %a, <2 x float> %b | ||
; SFB64-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret <2 x float> %select1 | ||
; | ||
; RV64-LABEL: 'fcmp-vector-fselect' | ||
; RV64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %fcmp1 = fcmp ogt float %ca, %cb | ||
; RV64-NEXT: Cost Model: Found an estimated cost of 3 for instruction: %select1 = select i1 %fcmp1, <2 x float> %a, <2 x float> %b | ||
; RV64-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret <2 x float> %select1 | ||
; | ||
%fcmp1 = fcmp ogt float %ca, %cb | ||
%select1 = select i1 %fcmp1, <2 x float> %a, <2 x float> %b | ||
ret <2 x float> %select1 | ||
} | ||
|
||
define <2 x i32> @fcmp-vector-iselect(float %ca, float %cb, <2 x i32> %a, <2 x i32> %b) { | ||
; SFB64-LABEL: 'fcmp-vector-iselect' | ||
; SFB64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %fcmp1 = fcmp ogt float %ca, %cb | ||
; SFB64-NEXT: Cost Model: Found an estimated cost of 3 for instruction: %select1 = select i1 %fcmp1, <2 x i32> %a, <2 x i32> %b | ||
; SFB64-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret <2 x i32> %select1 | ||
; | ||
; RV64-LABEL: 'fcmp-vector-iselect' | ||
; RV64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %fcmp1 = fcmp ogt float %ca, %cb | ||
; RV64-NEXT: Cost Model: Found an estimated cost of 3 for instruction: %select1 = select i1 %fcmp1, <2 x i32> %a, <2 x i32> %b | ||
; RV64-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret <2 x i32> %select1 | ||
; | ||
%fcmp1 = fcmp ogt float %ca, %cb | ||
%select1 = select i1 %fcmp1, <2 x i32> %a, <2 x i32> %b | ||
ret <2 x i32> %select1 | ||
} | ||
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