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llvm-project/llvm/test/Transforms/FunctionSpecialization/specialize-multiple-arguments.ll
Nikita Popov 96a14f388b Revert "[FuncSpec] Replace LoopInfo with BlockFrequencyInfo" 
As reported on https://reviews.llvm.org/D150375#4367861 and
following, this change causes PDT invalidation issues. Revert
it and dependent commits.

This reverts commit 0524534d5220da5ecb2cd424a46520184d2be366.
This reverts commit ced90d1ff64a89a13479a37a3b17a411a3259f9f.
This reverts commit 9f992cc9350a7f7072a6dbf018ea07142ea7a7ed.
This reverts commit 1b1232047e83b69561fd64b9547cb0a0d374473a.
2023-05-30 14:49:03 +02:00

186 lines
7.6 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -passes="ipsccp<func-spec>" -funcspec-max-clones=0 -funcspec-min-function-size=14 -S < %s | FileCheck %s --check-prefix=NONE
; RUN: opt -passes="ipsccp<func-spec>" -funcspec-max-clones=1 -funcspec-min-function-size=14 -S < %s | FileCheck %s --check-prefix=ONE
; RUN: opt -passes="ipsccp<func-spec>" -funcspec-max-clones=2 -funcspec-min-function-size=14 -S < %s | FileCheck %s --check-prefix=TWO
; RUN: opt -passes="ipsccp<func-spec>" -funcspec-max-clones=3 -funcspec-min-function-size=14 -S < %s | FileCheck %s --check-prefix=THREE
; Make sure that we iterate correctly after sorting the specializations:
; FnSpecialization: Specializations for function compute
; FnSpecialization: Gain = 608
; FnSpecialization: FormalArg = binop1, ActualArg = power
; FnSpecialization: FormalArg = binop2, ActualArg = mul
; FnSpecialization: Gain = 982
; FnSpecialization: FormalArg = binop1, ActualArg = plus
; FnSpecialization: FormalArg = binop2, ActualArg = minus
; FnSpecialization: Gain = 795
; FnSpecialization: FormalArg = binop1, ActualArg = minus
; FnSpecialization: FormalArg = binop2, ActualArg = power
define i64 @main(i64 %x, i64 %y, i1 %flag) {
; NONE-LABEL: @main(
; NONE-NEXT: entry:
; NONE-NEXT: br i1 [[FLAG:%.*]], label [[PLUS:%.*]], label [[MINUS:%.*]]
; NONE: plus:
; NONE-NEXT: [[TMP0:%.*]] = call i64 @compute(i64 [[X:%.*]], i64 [[Y:%.*]], ptr @power, ptr @mul)
; NONE-NEXT: br label [[MERGE:%.*]]
; NONE: minus:
; NONE-NEXT: [[TMP1:%.*]] = call i64 @compute(i64 [[X]], i64 [[Y]], ptr @plus, ptr @minus)
; NONE-NEXT: br label [[MERGE]]
; NONE: merge:
; NONE-NEXT: [[TMP2:%.*]] = phi i64 [ [[TMP0]], [[PLUS]] ], [ [[TMP1]], [[MINUS]] ]
; NONE-NEXT: [[TMP3:%.*]] = call i64 @compute(i64 [[TMP2]], i64 42, ptr @minus, ptr @power)
; NONE-NEXT: ret i64 [[TMP3]]
;
; ONE-LABEL: @main(
; ONE-NEXT: entry:
; ONE-NEXT: br i1 [[FLAG:%.*]], label [[PLUS:%.*]], label [[MINUS:%.*]]
; ONE: plus:
; ONE-NEXT: [[TMP0:%.*]] = call i64 @compute(i64 [[X:%.*]], i64 [[Y:%.*]], ptr @power, ptr @mul)
; ONE-NEXT: br label [[MERGE:%.*]]
; ONE: minus:
; ONE-NEXT: [[TMP1:%.*]] = call i64 @compute.1(i64 [[X]], i64 [[Y]], ptr @plus, ptr @minus)
; ONE-NEXT: br label [[MERGE]]
; ONE: merge:
; ONE-NEXT: [[TMP2:%.*]] = phi i64 [ [[TMP0]], [[PLUS]] ], [ [[TMP1]], [[MINUS]] ]
; ONE-NEXT: [[TMP3:%.*]] = call i64 @compute(i64 [[TMP2]], i64 42, ptr @minus, ptr @power)
; ONE-NEXT: ret i64 [[TMP3]]
;
; TWO-LABEL: @main(
; TWO-NEXT: entry:
; TWO-NEXT: br i1 [[FLAG:%.*]], label [[PLUS:%.*]], label [[MINUS:%.*]]
; TWO: plus:
; TWO-NEXT: [[TMP0:%.*]] = call i64 @compute(i64 [[X:%.*]], i64 [[Y:%.*]], ptr @power, ptr @mul)
; TWO-NEXT: br label [[MERGE:%.*]]
; TWO: minus:
; TWO-NEXT: [[TMP1:%.*]] = call i64 @compute.2(i64 [[X]], i64 [[Y]], ptr @plus, ptr @minus)
; TWO-NEXT: br label [[MERGE]]
; TWO: merge:
; TWO-NEXT: [[TMP2:%.*]] = phi i64 [ [[TMP0]], [[PLUS]] ], [ [[TMP1]], [[MINUS]] ]
; TWO-NEXT: [[TMP3:%.*]] = call i64 @compute.1(i64 [[TMP2]], i64 42, ptr @minus, ptr @power)
; TWO-NEXT: ret i64 [[TMP3]]
;
; THREE-LABEL: @main(
; THREE-NEXT: entry:
; THREE-NEXT: br i1 [[FLAG:%.*]], label [[PLUS:%.*]], label [[MINUS:%.*]]
; THREE: plus:
; THREE-NEXT: [[TMP0:%.*]] = call i64 @compute.1(i64 [[X:%.*]], i64 [[Y:%.*]], ptr @power, ptr @mul)
; THREE-NEXT: br label [[MERGE:%.*]]
; THREE: minus:
; THREE-NEXT: [[TMP1:%.*]] = call i64 @compute.2(i64 [[X]], i64 [[Y]], ptr @plus, ptr @minus)
; THREE-NEXT: br label [[MERGE]]
; THREE: merge:
; THREE-NEXT: [[TMP2:%.*]] = phi i64 [ [[TMP0]], [[PLUS]] ], [ [[TMP1]], [[MINUS]] ]
; THREE-NEXT: [[TMP3:%.*]] = call i64 @compute.3(i64 [[TMP2]], i64 42, ptr @minus, ptr @power)
; THREE-NEXT: ret i64 [[TMP3]]
;
entry:
br i1 %flag, label %plus, label %minus
plus:
%tmp0 = call i64 @compute(i64 %x, i64 %y, ptr @power, ptr @mul)
br label %merge
minus:
%tmp1 = call i64 @compute(i64 %x, i64 %y, ptr @plus, ptr @minus)
br label %merge
merge:
%tmp2 = phi i64 [ %tmp0, %plus ], [ %tmp1, %minus]
%tmp3 = call i64 @compute(i64 %tmp2, i64 42, ptr @minus, ptr @power)
ret i64 %tmp3
}
; THREE-NOT: define internal i64 @compute
;
; THREE-LABEL: define internal i64 @compute.1(i64 %x, i64 %y, ptr %binop1, ptr %binop2) {
; THREE-NEXT: entry:
; THREE-NEXT: [[TMP0:%.+]] = call i64 @power(i64 %x, i64 %y)
; THREE-NEXT: [[TMP1:%.+]] = call i64 @mul(i64 %x, i64 %y)
; THREE-NEXT: [[TMP2:%.+]] = add i64 [[TMP0]], [[TMP1]]
; THREE-NEXT: [[TMP3:%.+]] = sdiv i64 [[TMP2]], %x
; THREE-NEXT: [[TMP4:%.+]] = sub i64 [[TMP3]], %y
; THREE-NEXT: [[TMP5:%.+]] = mul i64 [[TMP4]], 2
; THREE-NEXT: ret i64 [[TMP5]]
; THREE-NEXT: }
;
; THREE-LABEL: define internal i64 @compute.2(i64 %x, i64 %y, ptr %binop1, ptr %binop2) {
; THREE-NEXT: entry:
; THREE-NEXT: [[TMP0:%.+]] = call i64 @plus(i64 %x, i64 %y)
; THREE-NEXT: [[TMP1:%.+]] = call i64 @minus(i64 %x, i64 %y)
; THREE-NEXT: [[TMP2:%.+]] = add i64 [[TMP0]], [[TMP1]]
; THREE-NEXT: [[TMP3:%.+]] = sdiv i64 [[TMP2]], %x
; THREE-NEXT: [[TMP4:%.+]] = sub i64 [[TMP3]], %y
; THREE-NEXT: [[TMP5:%.+]] = mul i64 [[TMP4]], 2
; THREE-NEXT: ret i64 [[TMP5]]
; THREE-NEXT: }
;
; THREE-LABEL: define internal i64 @compute.3(i64 %x, i64 %y, ptr %binop1, ptr %binop2) {
; THREE-NEXT: entry:
; THREE-NEXT: [[TMP0:%.+]] = call i64 @minus(i64 %x, i64 %y)
; THREE-NEXT: [[TMP1:%.+]] = call i64 @power(i64 %x, i64 %y)
; THREE-NEXT: [[TMP2:%.+]] = add i64 [[TMP0]], [[TMP1]]
; THREE-NEXT: [[TMP3:%.+]] = sdiv i64 [[TMP2]], %x
; THREE-NEXT: [[TMP4:%.+]] = sub i64 [[TMP3]], %y
; THREE-NEXT: [[TMP5:%.+]] = mul i64 [[TMP4]], 2
; THREE-NEXT: ret i64 [[TMP5]]
; THREE-NEXT: }
;
define internal i64 @compute(i64 %x, i64 %y, ptr %binop1, ptr %binop2) {
entry:
%tmp0 = call i64 %binop1(i64 %x, i64 %y)
%tmp1 = call i64 %binop2(i64 %x, i64 %y)
%add = add i64 %tmp0, %tmp1
%div = sdiv i64 %add, %x
%sub = sub i64 %div, %y
%mul = mul i64 %sub, 2
ret i64 %mul
}
define internal i64 @plus(i64 %x, i64 %y) {
entry:
%tmp0 = add i64 %x, %y
ret i64 %tmp0
}
define internal i64 @minus(i64 %x, i64 %y) {
entry:
%tmp0 = sub i64 %x, %y
ret i64 %tmp0
}
define internal i64 @mul(i64 %x, i64 %n) {
entry:
%cmp6 = icmp sgt i64 %n, 1
br i1 %cmp6, label %for.body, label %for.cond.cleanup
for.cond.cleanup: ; preds = %for.body, %entry
%x.addr.0.lcssa = phi i64 [ %x, %entry ], [ %add, %for.body ]
ret i64 %x.addr.0.lcssa
for.body: ; preds = %entry, %for.body
%indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 1, %entry ]
%x.addr.07 = phi i64 [ %add, %for.body ], [ %x, %entry ]
%add = shl nsw i64 %x.addr.07, 1
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
%exitcond.not = icmp eq i64 %indvars.iv.next, %n
br i1 %exitcond.not, label %for.cond.cleanup, label %for.body
}
define internal i64 @power(i64 %x, i64 %n) {
entry:
%cmp6 = icmp sgt i64 %n, 1
br i1 %cmp6, label %for.body, label %for.cond.cleanup
for.cond.cleanup: ; preds = %for.body, %entry
%x.addr.0.lcssa = phi i64 [ %x, %entry ], [ %mul, %for.body ]
ret i64 %x.addr.0.lcssa
for.body: ; preds = %entry, %for.body
%indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 1, %entry ]
%x.addr.07 = phi i64 [ %mul, %for.body ], [ %x, %entry ]
%mul = mul nsw i64 %x.addr.07, %x.addr.07
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
%exitcond.not = icmp eq i64 %indvars.iv.next, %n
br i1 %exitcond.not, label %for.cond.cleanup, label %for.body
}
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