mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-15 20:29:48 +00:00
7c9c6ed761
Essentially the same as the GEP change in r230786.
A similar migration script can be used to update test cases, though a few more
test case improvements/changes were required this time around: (r229269-r229278)
import fileinput
import sys
import re
pat = re.compile(r"((?:=|:|^)\s*load (?:atomic )?(?:volatile )?(.*?))(| addrspace\(\d+\) *)\*($| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$)")
for line in sys.stdin:
sys.stdout.write(re.sub(pat, r"\1, \2\3*\4", line))
Reviewers: rafael, dexonsmith, grosser
Differential Revision: http://reviews.llvm.org/D7649
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230794 91177308-0d34-0410-b5e6-96231b3b80d8
202 lines
6.9 KiB
LLVM
202 lines
6.9 KiB
LLVM
; RUN: llc < %s -mtriple=x86_64-linux -mattr=+sse2 -mcpu=nehalem | FileCheck %s --check-prefix=SSE
|
|
; RUN: llc < %s -mtriple=x86_64-win32 -mattr=+sse2 -mcpu=nehalem | FileCheck %s --check-prefix=SSE
|
|
; RUN: llc < %s -mtriple=x86_64-win32 -mattr=+avx -mcpu=corei7-avx | FileCheck %s --check-prefix=AVX
|
|
|
|
define double @t1(float* nocapture %x) nounwind readonly ssp {
|
|
entry:
|
|
; SSE-LABEL: t1:
|
|
; SSE: movss ([[A0:%rdi|%rcx]]), %xmm0
|
|
; SSE: cvtss2sd %xmm0, %xmm0
|
|
|
|
%0 = load float, float* %x, align 4
|
|
%1 = fpext float %0 to double
|
|
ret double %1
|
|
}
|
|
|
|
define float @t2(double* nocapture %x) nounwind readonly ssp optsize {
|
|
entry:
|
|
; SSE-LABEL: t2:
|
|
; SSE: cvtsd2ss ([[A0]]), %xmm0
|
|
%0 = load double, double* %x, align 8
|
|
%1 = fptrunc double %0 to float
|
|
ret float %1
|
|
}
|
|
|
|
define float @squirtf(float* %x) nounwind {
|
|
entry:
|
|
; SSE-LABEL: squirtf:
|
|
; SSE: movss ([[A0]]), %xmm0
|
|
; SSE: sqrtss %xmm0, %xmm0
|
|
%z = load float, float* %x
|
|
%t = call float @llvm.sqrt.f32(float %z)
|
|
ret float %t
|
|
}
|
|
|
|
define double @squirt(double* %x) nounwind {
|
|
entry:
|
|
; SSE-LABEL: squirt:
|
|
; SSE: movsd ([[A0]]), %xmm0
|
|
; SSE: sqrtsd %xmm0, %xmm0
|
|
%z = load double, double* %x
|
|
%t = call double @llvm.sqrt.f64(double %z)
|
|
ret double %t
|
|
}
|
|
|
|
define float @squirtf_size(float* %x) nounwind optsize {
|
|
entry:
|
|
; SSE-LABEL: squirtf_size:
|
|
; SSE: sqrtss ([[A0]]), %xmm0
|
|
%z = load float, float* %x
|
|
%t = call float @llvm.sqrt.f32(float %z)
|
|
ret float %t
|
|
}
|
|
|
|
define double @squirt_size(double* %x) nounwind optsize {
|
|
entry:
|
|
; SSE-LABEL: squirt_size:
|
|
; SSE: sqrtsd ([[A0]]), %xmm0
|
|
%z = load double, double* %x
|
|
%t = call double @llvm.sqrt.f64(double %z)
|
|
ret double %t
|
|
}
|
|
|
|
declare float @llvm.sqrt.f32(float)
|
|
declare double @llvm.sqrt.f64(double)
|
|
|
|
; SSE-LABEL: loopdep1
|
|
; SSE: for.body
|
|
;
|
|
; This loop contains two cvtsi2ss instructions that update the same xmm
|
|
; register. Verify that the execution dependency fix pass breaks those
|
|
; dependencies by inserting xorps instructions.
|
|
;
|
|
; If the register allocator chooses different registers for the two cvtsi2ss
|
|
; instructions, they are still dependent on themselves.
|
|
; SSE: xorps [[XMM1:%xmm[0-9]+]]
|
|
; SSE: , [[XMM1]]
|
|
; SSE: cvtsi2ssl %{{.*}}, [[XMM1]]
|
|
; SSE: xorps [[XMM2:%xmm[0-9]+]]
|
|
; SSE: , [[XMM2]]
|
|
; SSE: cvtsi2ssl %{{.*}}, [[XMM2]]
|
|
;
|
|
define float @loopdep1(i32 %m) nounwind uwtable readnone ssp {
|
|
entry:
|
|
%tobool3 = icmp eq i32 %m, 0
|
|
br i1 %tobool3, label %for.end, label %for.body
|
|
|
|
for.body: ; preds = %entry, %for.body
|
|
%m.addr.07 = phi i32 [ %dec, %for.body ], [ %m, %entry ]
|
|
%s1.06 = phi float [ %add, %for.body ], [ 0.000000e+00, %entry ]
|
|
%s2.05 = phi float [ %add2, %for.body ], [ 0.000000e+00, %entry ]
|
|
%n.04 = phi i32 [ %inc, %for.body ], [ 1, %entry ]
|
|
%conv = sitofp i32 %n.04 to float
|
|
%add = fadd float %s1.06, %conv
|
|
%conv1 = sitofp i32 %m.addr.07 to float
|
|
%add2 = fadd float %s2.05, %conv1
|
|
%inc = add nsw i32 %n.04, 1
|
|
%dec = add nsw i32 %m.addr.07, -1
|
|
%tobool = icmp eq i32 %dec, 0
|
|
br i1 %tobool, label %for.end, label %for.body
|
|
|
|
for.end: ; preds = %for.body, %entry
|
|
%s1.0.lcssa = phi float [ 0.000000e+00, %entry ], [ %add, %for.body ]
|
|
%s2.0.lcssa = phi float [ 0.000000e+00, %entry ], [ %add2, %for.body ]
|
|
%sub = fsub float %s1.0.lcssa, %s2.0.lcssa
|
|
ret float %sub
|
|
}
|
|
|
|
; rdar:15221834 False AVX register dependencies cause 5x slowdown on
|
|
; flops-6. Make sure the unused register read by vcvtsi2sdq is zeroed
|
|
; to avoid cyclic dependence on a write to the same register in a
|
|
; previous iteration.
|
|
|
|
; AVX-LABEL: loopdep2:
|
|
; AVX-LABEL: %loop
|
|
; AVX: vxorps %[[REG:xmm.]], %{{xmm.}}, %{{xmm.}}
|
|
; AVX: vcvtsi2sdq %{{r[0-9a-x]+}}, %[[REG]], %{{xmm.}}
|
|
; SSE-LABEL: loopdep2:
|
|
; SSE-LABEL: %loop
|
|
; SSE: xorps %[[REG:xmm.]], %[[REG]]
|
|
; SSE: cvtsi2sdq %{{r[0-9a-x]+}}, %[[REG]]
|
|
define i64 @loopdep2(i64* nocapture %x, double* nocapture %y) nounwind {
|
|
entry:
|
|
%vx = load i64, i64* %x
|
|
br label %loop
|
|
loop:
|
|
%i = phi i64 [ 1, %entry ], [ %inc, %loop ]
|
|
%s1 = phi i64 [ %vx, %entry ], [ %s2, %loop ]
|
|
%fi = sitofp i64 %i to double
|
|
%vy = load double, double* %y
|
|
%fipy = fadd double %fi, %vy
|
|
%iipy = fptosi double %fipy to i64
|
|
%s2 = add i64 %s1, %iipy
|
|
%inc = add nsw i64 %i, 1
|
|
%exitcond = icmp eq i64 %inc, 156250000
|
|
br i1 %exitcond, label %ret, label %loop
|
|
ret:
|
|
ret i64 %s2
|
|
}
|
|
|
|
; This loop contains a cvtsi2sd instruction that has a loop-carried
|
|
; false dependency on an xmm that is modified by other scalar instructions
|
|
; that follow it in the loop. Additionally, the source of convert is a
|
|
; memory operand. Verify the execution dependency fix pass breaks this
|
|
; dependency by inserting a xor before the convert.
|
|
@x = common global [1024 x double] zeroinitializer, align 16
|
|
@y = common global [1024 x double] zeroinitializer, align 16
|
|
@z = common global [1024 x double] zeroinitializer, align 16
|
|
@w = common global [1024 x double] zeroinitializer, align 16
|
|
@v = common global [1024 x i32] zeroinitializer, align 16
|
|
|
|
define void @loopdep3() {
|
|
entry:
|
|
br label %for.cond1.preheader
|
|
|
|
for.cond1.preheader: ; preds = %for.inc14, %entry
|
|
%i.025 = phi i32 [ 0, %entry ], [ %inc15, %for.inc14 ]
|
|
br label %for.body3
|
|
|
|
for.body3:
|
|
%indvars.iv = phi i64 [ 0, %for.cond1.preheader ], [ %indvars.iv.next, %for.body3 ]
|
|
%arrayidx = getelementptr inbounds [1024 x i32], [1024 x i32]* @v, i64 0, i64 %indvars.iv
|
|
%0 = load i32, i32* %arrayidx, align 4
|
|
%conv = sitofp i32 %0 to double
|
|
%arrayidx5 = getelementptr inbounds [1024 x double], [1024 x double]* @x, i64 0, i64 %indvars.iv
|
|
%1 = load double, double* %arrayidx5, align 8
|
|
%mul = fmul double %conv, %1
|
|
%arrayidx7 = getelementptr inbounds [1024 x double], [1024 x double]* @y, i64 0, i64 %indvars.iv
|
|
%2 = load double, double* %arrayidx7, align 8
|
|
%mul8 = fmul double %mul, %2
|
|
%arrayidx10 = getelementptr inbounds [1024 x double], [1024 x double]* @z, i64 0, i64 %indvars.iv
|
|
%3 = load double, double* %arrayidx10, align 8
|
|
%mul11 = fmul double %mul8, %3
|
|
%arrayidx13 = getelementptr inbounds [1024 x double], [1024 x double]* @w, i64 0, i64 %indvars.iv
|
|
store double %mul11, double* %arrayidx13, align 8
|
|
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
|
|
%exitcond = icmp eq i64 %indvars.iv.next, 1024
|
|
br i1 %exitcond, label %for.inc14, label %for.body3
|
|
|
|
for.inc14: ; preds = %for.body3
|
|
%inc15 = add nsw i32 %i.025, 1
|
|
%exitcond26 = icmp eq i32 %inc15, 100000
|
|
br i1 %exitcond26, label %for.end16, label %for.cond1.preheader
|
|
|
|
for.end16: ; preds = %for.inc14
|
|
ret void
|
|
|
|
;SSE-LABEL:@loopdep3
|
|
;SSE: xorps [[XMM0:%xmm[0-9]+]], [[XMM0]]
|
|
;SSE-NEXT: cvtsi2sdl {{.*}}, [[XMM0]]
|
|
;SSE-NEXT: mulsd {{.*}}, [[XMM0]]
|
|
;SSE-NEXT: mulsd {{.*}}, [[XMM0]]
|
|
;SSE-NEXT: mulsd {{.*}}, [[XMM0]]
|
|
;SSE-NEXT: movsd [[XMM0]],
|
|
;AVX-LABEL:@loopdep3
|
|
;AVX: vxorps [[XMM0:%xmm[0-9]+]], [[XMM0]]
|
|
;AVX-NEXT: vcvtsi2sdl {{.*}}, [[XMM0]], [[XMM0]]
|
|
;AVX-NEXT: vmulsd {{.*}}, [[XMM0]], [[XMM0]]
|
|
;AVX-NEXT: vmulsd {{.*}}, [[XMM0]], [[XMM0]]
|
|
;AVX-NEXT: vmulsd {{.*}}, [[XMM0]], [[XMM0]]
|
|
;AVX-NEXT: vmovsd [[XMM0]],
|
|
}
|