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llvm-mirror/test/CodeGen/AArch64/aarch64-a57-fp-load-balancing.ll
Francis Visoiu Mistrih a2d7c39420 [CodeGen] Use MachineOperand::print in the MIRPrinter for MO_Register. 
Work towards the unification of MIR and debug output by refactoring the
interfaces.

For MachineOperand::print, keep a simple version that can be easily called
from `dump()`, and a more complex one which will be called from both the
MIRPrinter and MachineInstr::print.

Add extra checks inside MachineOperand for detached operands (operands
with getParent() == nullptr).

https://reviews.llvm.org/D40836

* find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" -o -name "*.s" \) -type f -print0 | xargs -0 sed -i '' -E 's/kill: ([^ ]+) ([^ ]+)<def> ([^ ]+)/kill: \1 def \2 \3/g'
* find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" -o -name "*.s" \) -type f -print0 | xargs -0 sed -i '' -E 's/kill: ([^ ]+) ([^ ]+) ([^ ]+)<def>/kill: \1 \2 def \3/g'
* find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" -o -name "*.s" \) -type f -print0 | xargs -0 sed -i '' -E 's/kill: def ([^ ]+) ([^ ]+) ([^ ]+)<def>/kill: def \1 \2 def \3/g'
* find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" -o -name "*.s" \) -type f -print0 | xargs -0 sed -i '' -E 's/<def>//g'
* find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" -o -name "*.s" \) -type f -print0 | xargs -0 sed -i '' -E 's/([^ ]+)<kill>/killed \1/g'
* find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" -o -name "*.s" \) -type f -print0 | xargs -0 sed -i '' -E 's/([^ ]+)<imp-use,kill>/implicit killed \1/g'
* find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" -o -name "*.s" \) -type f -print0 | xargs -0 sed -i '' -E 's/([^ ]+)<dead>/dead \1/g'
* find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" -o -name "*.s" \) -type f -print0 | xargs -0 sed -i '' -E 's/([^ ]+)<def[ ]*,[ ]*dead>/dead \1/g'
* find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" -o -name "*.s" \) -type f -print0 | xargs -0 sed -i '' -E 's/([^ ]+)<imp-def[ ]*,[ ]*dead>/implicit-def dead \1/g'
* find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" -o -name "*.s" \) -type f -print0 | xargs -0 sed -i '' -E 's/([^ ]+)<imp-def>/implicit-def \1/g'
* find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" -o -name "*.s" \) -type f -print0 | xargs -0 sed -i '' -E 's/([^ ]+)<imp-use>/implicit \1/g'
* find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" -o -name "*.s" \) -type f -print0 | xargs -0 sed -i '' -E 's/([^ ]+)<internal>/internal \1/g'
* find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" -o -name "*.s" \) -type f -print0 | xargs -0 sed -i '' -E 's/([^ ]+)<undef>/undef \1/g'

llvm-svn: 320022
2017-12-07 10:40:31 +00:00

336 lines
14 KiB
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; RUN: llc < %s -mcpu=cortex-a57 -aarch64-a57-fp-load-balancing-override=1 -aarch64-a57-fp-load-balancing-force-all -enable-misched=false -enable-post-misched=false | FileCheck %s --check-prefix CHECK --check-prefix CHECK-BALFP --check-prefix CHECK-EVEN
; RUN: llc < %s -mcpu=cortex-a57 -aarch64-a57-fp-load-balancing-override=2 -aarch64-a57-fp-load-balancing-force-all -enable-misched=false -enable-post-misched=false | FileCheck %s --check-prefix CHECK --check-prefix CHECK-BALFP --check-prefix CHECK-ODD
; RUN: llc < %s -mcpu=cortex-a53 -aarch64-a57-fp-load-balancing-override=1 -aarch64-a57-fp-load-balancing-force-all -enable-misched=false -enable-post-misched=false | FileCheck %s --check-prefix CHECK --check-prefix CHECK-A53 --check-prefix CHECK-EVEN
; RUN: llc < %s -mcpu=cortex-a53 -aarch64-a57-fp-load-balancing-override=2 -aarch64-a57-fp-load-balancing-force-all -enable-misched=false -enable-post-misched=false | FileCheck %s --check-prefix CHECK --check-prefix CHECK-A53 --check-prefix CHECK-ODD
; The following tests use the balance-fp-ops feature, and should be independent of
; the target cpu.
; RUN: llc < %s -mtriple=aarch64-linux-gnueabi -mattr=+balance-fp-ops -aarch64-a57-fp-load-balancing-override=1 -aarch64-a57-fp-load-balancing-force-all -enable-misched=false -enable-post-misched=false | FileCheck %s --check-prefix CHECK --check-prefix CHECK-EVEN --check-prefix CHECK-BALFP
; RUN: llc < %s -mtriple=aarch64-linux-gnueabi -mattr=+balance-fp-ops -aarch64-a57-fp-load-balancing-override=2 -aarch64-a57-fp-load-balancing-force-all -enable-misched=false -enable-post-misched=false | FileCheck %s --check-prefix CHECK --check-prefix CHECK-ODD --check-prefix CHECK-BALFP
; Test the AArch64A57FPLoadBalancing pass. This pass relies heavily on register allocation, so
; our test strategy is to:
; * Force the pass to always perform register swapping even if the dest register is of the
; correct color already (-force-all)
; * Force the pass to ignore all hints it obtained from regalloc (-deterministic-balance),
; and run it twice, once where it always hints odd, and once where it always hints even.
;
; We then use regex magic to check that in the two cases the register allocation is
; different; this is what gives us the testing coverage and distinguishes cases where
; the pass has done some work versus accidental regalloc.
target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128"
target triple = "aarch64"
; Non-overlapping groups - shouldn't need any changing at all.
; CHECK-LABEL: f1:
; CHECK-EVEN: fmadd [[x:d[0-9]*[02468]]]
; CHECK-ODD: fmadd [[x:d[0-9]*[13579]]]
; CHECK: fmadd [[x]]
; CHECK: fmsub [[x]]
; CHECK: fmadd [[x]]
; CHECK: str [[x]]
define void @f1(double* nocapture readonly %p, double* nocapture %q) #0 {
entry:
%0 = load double, double* %p, align 8
%arrayidx1 = getelementptr inbounds double, double* %p, i64 1
%1 = load double, double* %arrayidx1, align 8
%arrayidx2 = getelementptr inbounds double, double* %p, i64 2
%2 = load double, double* %arrayidx2, align 8
%arrayidx3 = getelementptr inbounds double, double* %p, i64 3
%3 = load double, double* %arrayidx3, align 8
%arrayidx4 = getelementptr inbounds double, double* %p, i64 4
%4 = load double, double* %arrayidx4, align 8
%mul = fmul fast double %0, %1
%add = fadd fast double %mul, %4
%mul5 = fmul fast double %1, %2
%add6 = fadd fast double %mul5, %add
%mul7 = fmul fast double %1, %3
%sub = fsub fast double %add6, %mul7
%mul8 = fmul fast double %2, %3
%add9 = fadd fast double %mul8, %sub
store double %add9, double* %q, align 8
%arrayidx11 = getelementptr inbounds double, double* %p, i64 5
%5 = load double, double* %arrayidx11, align 8
%arrayidx12 = getelementptr inbounds double, double* %p, i64 6
%6 = load double, double* %arrayidx12, align 8
%arrayidx13 = getelementptr inbounds double, double* %p, i64 7
%7 = load double, double* %arrayidx13, align 8
%mul15 = fmul fast double %6, %7
%mul16 = fmul fast double %0, %5
%add17 = fadd fast double %mul16, %mul15
%mul18 = fmul fast double %5, %6
%add19 = fadd fast double %mul18, %add17
%arrayidx20 = getelementptr inbounds double, double* %q, i64 1
store double %add19, double* %arrayidx20, align 8
ret void
}
; Overlapping groups - coloring needed.
; CHECK-LABEL: f2:
; CHECK-EVEN: fmadd [[x:d[0-9]*[02468]]]
; CHECK-EVEN: fmul [[y:d[0-9]*[13579]]]
; CHECK-ODD: fmadd [[x:d[0-9]*[13579]]]
; CHECK-ODD: fmul [[y:d[0-9]*[02468]]]
; CHECK: fmadd [[x]]
; CHECK: fmadd [[y]]
; CHECK: fmsub [[x]]
; CHECK: fmadd [[y]]
; CHECK: fmadd [[x]]
; CHECK-BALFP: stp [[x]], [[y]]
; CHECK-A53-DAG: str [[x]]
; CHECK-A53-DAG: str [[y]]
define void @f2(double* nocapture readonly %p, double* nocapture %q) #0 {
entry:
%0 = load double, double* %p, align 8
%arrayidx1 = getelementptr inbounds double, double* %p, i64 1
%1 = load double, double* %arrayidx1, align 8
%arrayidx2 = getelementptr inbounds double, double* %p, i64 2
%2 = load double, double* %arrayidx2, align 8
%arrayidx3 = getelementptr inbounds double, double* %p, i64 3
%3 = load double, double* %arrayidx3, align 8
%arrayidx4 = getelementptr inbounds double, double* %p, i64 4
%4 = load double, double* %arrayidx4, align 8
%arrayidx5 = getelementptr inbounds double, double* %p, i64 5
%5 = load double, double* %arrayidx5, align 8
%arrayidx6 = getelementptr inbounds double, double* %p, i64 6
%6 = load double, double* %arrayidx6, align 8
%arrayidx7 = getelementptr inbounds double, double* %p, i64 7
%7 = load double, double* %arrayidx7, align 8
%mul = fmul fast double %0, %1
%add = fadd fast double %mul, %7
%mul8 = fmul fast double %5, %6
%mul9 = fmul fast double %1, %2
%add10 = fadd fast double %mul9, %add
%mul11 = fmul fast double %3, %4
%add12 = fadd fast double %mul11, %mul8
%mul13 = fmul fast double %1, %3
%sub = fsub fast double %add10, %mul13
%mul14 = fmul fast double %4, %5
%add15 = fadd fast double %mul14, %add12
%mul16 = fmul fast double %2, %3
%add17 = fadd fast double %mul16, %sub
store double %add17, double* %q, align 8
%arrayidx19 = getelementptr inbounds double, double* %q, i64 1
store double %add15, double* %arrayidx19, align 8
ret void
}
; Dest register is live on block exit - fixup needed.
; CHECK-LABEL: f3:
; CHECK-EVEN: fmadd [[x:d[0-9]*[02468]]]
; CHECK-ODD: fmadd [[x:d[0-9]*[13579]]]
; CHECK: fmadd [[x]]
; CHECK: fmsub [[x]]
; CHECK: fmadd [[y:d[0-9]+]], {{.*}}, [[x]]
; CHECK: str [[y]]
define void @f3(double* nocapture readonly %p, double* nocapture %q) #0 {
entry:
%0 = load double, double* %p, align 8
%arrayidx1 = getelementptr inbounds double, double* %p, i64 1
%1 = load double, double* %arrayidx1, align 8
%arrayidx2 = getelementptr inbounds double, double* %p, i64 2
%2 = load double, double* %arrayidx2, align 8
%arrayidx3 = getelementptr inbounds double, double* %p, i64 3
%3 = load double, double* %arrayidx3, align 8
%arrayidx4 = getelementptr inbounds double, double* %p, i64 4
%4 = load double, double* %arrayidx4, align 8
%mul = fmul fast double %0, %1
%add = fadd fast double %mul, %4
%mul5 = fmul fast double %1, %2
%add6 = fadd fast double %mul5, %add
%mul7 = fmul fast double %1, %3
%sub = fsub fast double %add6, %mul7
%mul8 = fmul fast double %2, %3
%add9 = fadd fast double %mul8, %sub
%cmp = fcmp oeq double %3, 0.000000e+00
br i1 %cmp, label %if.then, label %if.end
if.then: ; preds = %entry
tail call void bitcast (void (...)* @g to void ()*)() #2
br label %if.end
if.end: ; preds = %if.then, %entry
store double %add9, double* %q, align 8
ret void
}
declare void @g(...) #1
; Single precision version of f2.
; CHECK-LABEL: f4:
; CHECK-EVEN: fmadd [[x:s[0-9]*[02468]]]
; CHECK-EVEN: fmul [[y:s[0-9]*[13579]]]
; CHECK-ODD: fmadd [[x:s[0-9]*[13579]]]
; CHECK-ODD: fmul [[y:s[0-9]*[02468]]]
; CHECK: fmadd [[x]]
; CHECK: fmadd [[y]]
; CHECK: fmsub [[x]]
; CHECK: fmadd [[y]]
; CHECK: fmadd [[x]]
; CHECK-BALFP: stp [[x]], [[y]]
; CHECK-A53-DAG: str [[x]]
; CHECK-A53-DAG: str [[y]]
define void @f4(float* nocapture readonly %p, float* nocapture %q) #0 {
entry:
%0 = load float, float* %p, align 4
%arrayidx1 = getelementptr inbounds float, float* %p, i64 1
%1 = load float, float* %arrayidx1, align 4
%arrayidx2 = getelementptr inbounds float, float* %p, i64 2
%2 = load float, float* %arrayidx2, align 4
%arrayidx3 = getelementptr inbounds float, float* %p, i64 3
%3 = load float, float* %arrayidx3, align 4
%arrayidx4 = getelementptr inbounds float, float* %p, i64 4
%4 = load float, float* %arrayidx4, align 4
%arrayidx5 = getelementptr inbounds float, float* %p, i64 5
%5 = load float, float* %arrayidx5, align 4
%arrayidx6 = getelementptr inbounds float, float* %p, i64 6
%6 = load float, float* %arrayidx6, align 4
%arrayidx7 = getelementptr inbounds float, float* %p, i64 7
%7 = load float, float* %arrayidx7, align 4
%mul = fmul fast float %0, %1
%add = fadd fast float %mul, %7
%mul8 = fmul fast float %5, %6
%mul9 = fmul fast float %1, %2
%add10 = fadd fast float %mul9, %add
%mul11 = fmul fast float %3, %4
%add12 = fadd fast float %mul11, %mul8
%mul13 = fmul fast float %1, %3
%sub = fsub fast float %add10, %mul13
%mul14 = fmul fast float %4, %5
%add15 = fadd fast float %mul14, %add12
%mul16 = fmul fast float %2, %3
%add17 = fadd fast float %mul16, %sub
store float %add17, float* %q, align 4
%arrayidx19 = getelementptr inbounds float, float* %q, i64 1
store float %add15, float* %arrayidx19, align 4
ret void
}
; Single precision version of f3
; CHECK-LABEL: f5:
; CHECK-EVEN: fmadd [[x:s[0-9]*[02468]]]
; CHECK-ODD: fmadd [[x:s[0-9]*[13579]]]
; CHECK: fmadd [[x]]
; CHECK: fmsub [[x]]
; CHECK: fmadd [[y:s[0-9]+]], {{.*}}, [[x]]
; CHECK: str [[y]]
define void @f5(float* nocapture readonly %p, float* nocapture %q) #0 {
entry:
%0 = load float, float* %p, align 4
%arrayidx1 = getelementptr inbounds float, float* %p, i64 1
%1 = load float, float* %arrayidx1, align 4
%arrayidx2 = getelementptr inbounds float, float* %p, i64 2
%2 = load float, float* %arrayidx2, align 4
%arrayidx3 = getelementptr inbounds float, float* %p, i64 3
%3 = load float, float* %arrayidx3, align 4
%arrayidx4 = getelementptr inbounds float, float* %p, i64 4
%4 = load float, float* %arrayidx4, align 4
%mul = fmul fast float %0, %1
%add = fadd fast float %mul, %4
%mul5 = fmul fast float %1, %2
%add6 = fadd fast float %mul5, %add
%mul7 = fmul fast float %1, %3
%sub = fsub fast float %add6, %mul7
%mul8 = fmul fast float %2, %3
%add9 = fadd fast float %mul8, %sub
%cmp = fcmp oeq float %3, 0.000000e+00
br i1 %cmp, label %if.then, label %if.end
if.then: ; preds = %entry
tail call void bitcast (void (...)* @g to void ()*)() #2
br label %if.end
if.end: ; preds = %if.then, %entry
store float %add9, float* %q, align 4
ret void
}
; Test that regmask clobbering stops a chain sequence.
; CHECK-LABEL: f6:
; CHECK-EVEN: fmadd [[x:d[0-9]*[02468]]]
; CHECK-ODD: fmadd [[x:d[0-9]*[13579]]]
; CHECK: fmadd [[x]]
; CHECK: fmsub [[x]]
; CHECK: fmadd d0, {{.*}}, [[x]]
; CHECK: bl hh
; CHECK: str d0
define void @f6(double* nocapture readonly %p, double* nocapture %q) #0 {
entry:
%0 = load double, double* %p, align 8
%arrayidx1 = getelementptr inbounds double, double* %p, i64 1
%1 = load double, double* %arrayidx1, align 8
%arrayidx2 = getelementptr inbounds double, double* %p, i64 2
%2 = load double, double* %arrayidx2, align 8
%arrayidx3 = getelementptr inbounds double, double* %p, i64 3
%3 = load double, double* %arrayidx3, align 8
%arrayidx4 = getelementptr inbounds double, double* %p, i64 4
%4 = load double, double* %arrayidx4, align 8
%mul = fmul fast double %0, %1
%add = fadd fast double %mul, %4
%mul5 = fmul fast double %1, %2
%add6 = fadd fast double %mul5, %add
%mul7 = fmul fast double %1, %3
%sub = fsub fast double %add6, %mul7
%mul8 = fmul fast double %2, %3
%add9 = fadd fast double %mul8, %sub
%call = tail call double @hh(double %add9) #2
store double %call, double* %q, align 8
ret void
}
declare double @hh(double) #1
; Check that we correctly deal with repeated operands.
; The following testcase creates:
; %d1 = FADDDrr killed %d0, %d0
; We'll get a crash if we naively look at the first operand, remove it
; from the substitution list then look at the second operand.
; CHECK: fmadd [[x:d[0-9]+]]
; CHECK: fadd d1, [[x]], [[x]]
define void @f7(double* nocapture readonly %p, double* nocapture %q) #0 {
entry:
%0 = load double, double* %p, align 8
%arrayidx1 = getelementptr inbounds double, double* %p, i64 1
%1 = load double, double* %arrayidx1, align 8
%arrayidx2 = getelementptr inbounds double, double* %p, i64 2
%2 = load double, double* %arrayidx2, align 8
%arrayidx3 = getelementptr inbounds double, double* %p, i64 3
%3 = load double, double* %arrayidx3, align 8
%arrayidx4 = getelementptr inbounds double, double* %p, i64 4
%4 = load double, double* %arrayidx4, align 8
%mul = fmul fast double %0, %1
%add = fadd fast double %mul, %4
%mul5 = fmul fast double %1, %2
%add6 = fadd fast double %mul5, %add
%mul7 = fmul fast double %1, %3
%sub = fsub fast double %add6, %mul7
%mul8 = fmul fast double %2, %3
%add9 = fadd fast double %mul8, %sub
%add10 = fadd fast double %add9, %add9
call void @hhh(double 0.0, double %add10)
ret void
}
declare void @hhh(double, double)
attributes #0 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="true" "no-nans-fp-math"="true" "stack-protector-buffer-size"="8" "unsafe-fp-math"="true" "use-soft-float"="false" }
attributes #1 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="true" "no-nans-fp-math"="true" "stack-protector-buffer-size"="8" "unsafe-fp-math"="true" "use-soft-float"="false" }
attributes #2 = { nounwind }
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