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clang-p2996/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 0524534d52.
This reverts commit ced90d1ff6.
This reverts commit 9f992cc935.
This reverts commit 1b1232047e.
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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