mirror of
				https://github.com/c64scene-ar/llvm-6502.git
				synced 2025-11-03 14:21:30 +00:00 
			
		
		
		
	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
		
	
		
			
				
	
	
		
			176 lines
		
	
	
		
			7.6 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
			
		
		
	
	
			176 lines
		
	
	
		
			7.6 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
; RUN: opt < %s -basicaa -slp-vectorizer -S | FileCheck %s
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target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.9.0"
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@A = common global [2000 x double] zeroinitializer, align 16
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@B = common global [2000 x double] zeroinitializer, align 16
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@C = common global [2000 x float] zeroinitializer, align 16
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@D = common global [2000 x float] zeroinitializer, align 16
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; Currently SCEV isn't smart enough to figure out that accesses
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; A[3*i], A[3*i+1] and A[3*i+2] are consecutive, but in future
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; that would hopefully be fixed. For now, check that this isn't
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; vectorized.
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; CHECK-LABEL: foo_3double
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; CHECK-NOT: x double>
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; Function Attrs: nounwind ssp uwtable
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define void @foo_3double(i32 %u) #0 {
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entry:
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  %u.addr = alloca i32, align 4
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  store i32 %u, i32* %u.addr, align 4
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  %mul = mul nsw i32 %u, 3
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  %idxprom = sext i32 %mul to i64
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  %arrayidx = getelementptr inbounds [2000 x double], [2000 x double]* @A, i32 0, i64 %idxprom
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  %0 = load double, double* %arrayidx, align 8
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  %arrayidx4 = getelementptr inbounds [2000 x double], [2000 x double]* @B, i32 0, i64 %idxprom
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  %1 = load double, double* %arrayidx4, align 8
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  %add5 = fadd double %0, %1
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  store double %add5, double* %arrayidx, align 8
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  %add11 = add nsw i32 %mul, 1
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  %idxprom12 = sext i32 %add11 to i64
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  %arrayidx13 = getelementptr inbounds [2000 x double], [2000 x double]* @A, i32 0, i64 %idxprom12
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  %2 = load double, double* %arrayidx13, align 8
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  %arrayidx17 = getelementptr inbounds [2000 x double], [2000 x double]* @B, i32 0, i64 %idxprom12
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  %3 = load double, double* %arrayidx17, align 8
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  %add18 = fadd double %2, %3
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  store double %add18, double* %arrayidx13, align 8
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  %add24 = add nsw i32 %mul, 2
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  %idxprom25 = sext i32 %add24 to i64
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  %arrayidx26 = getelementptr inbounds [2000 x double], [2000 x double]* @A, i32 0, i64 %idxprom25
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  %4 = load double, double* %arrayidx26, align 8
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  %arrayidx30 = getelementptr inbounds [2000 x double], [2000 x double]* @B, i32 0, i64 %idxprom25
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  %5 = load double, double* %arrayidx30, align 8
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  %add31 = fadd double %4, %5
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  store double %add31, double* %arrayidx26, align 8
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  ret void
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}
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; SCEV should be able to tell that accesses A[C1 + C2*i], A[C1 + C2*i], ...
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; A[C1 + C2*i] are consecutive, if C2 is a power of 2, and C2 > C1 > 0.
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; Thus, the following code should be vectorized.
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; CHECK-LABEL: foo_2double
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; CHECK: x double>
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; Function Attrs: nounwind ssp uwtable
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define void @foo_2double(i32 %u) #0 {
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entry:
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  %u.addr = alloca i32, align 4
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  store i32 %u, i32* %u.addr, align 4
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  %mul = mul nsw i32 %u, 2
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  %idxprom = sext i32 %mul to i64
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  %arrayidx = getelementptr inbounds [2000 x double], [2000 x double]* @A, i32 0, i64 %idxprom
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  %0 = load double, double* %arrayidx, align 8
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  %arrayidx4 = getelementptr inbounds [2000 x double], [2000 x double]* @B, i32 0, i64 %idxprom
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  %1 = load double, double* %arrayidx4, align 8
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  %add5 = fadd double %0, %1
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  store double %add5, double* %arrayidx, align 8
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  %add11 = add nsw i32 %mul, 1
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  %idxprom12 = sext i32 %add11 to i64
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  %arrayidx13 = getelementptr inbounds [2000 x double], [2000 x double]* @A, i32 0, i64 %idxprom12
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  %2 = load double, double* %arrayidx13, align 8
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  %arrayidx17 = getelementptr inbounds [2000 x double], [2000 x double]* @B, i32 0, i64 %idxprom12
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  %3 = load double, double* %arrayidx17, align 8
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  %add18 = fadd double %2, %3
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  store double %add18, double* %arrayidx13, align 8
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  ret void
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}
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; Similar to the previous test, but with different datatype.
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; CHECK-LABEL: foo_4float
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; CHECK: x float>
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; Function Attrs: nounwind ssp uwtable
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define void @foo_4float(i32 %u) #0 {
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entry:
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  %u.addr = alloca i32, align 4
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  store i32 %u, i32* %u.addr, align 4
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  %mul = mul nsw i32 %u, 4
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  %idxprom = sext i32 %mul to i64
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  %arrayidx = getelementptr inbounds [2000 x float], [2000 x float]* @C, i32 0, i64 %idxprom
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  %0 = load float, float* %arrayidx, align 4
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  %arrayidx4 = getelementptr inbounds [2000 x float], [2000 x float]* @D, i32 0, i64 %idxprom
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  %1 = load float, float* %arrayidx4, align 4
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  %add5 = fadd float %0, %1
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  store float %add5, float* %arrayidx, align 4
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  %add11 = add nsw i32 %mul, 1
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  %idxprom12 = sext i32 %add11 to i64
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  %arrayidx13 = getelementptr inbounds [2000 x float], [2000 x float]* @C, i32 0, i64 %idxprom12
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  %2 = load float, float* %arrayidx13, align 4
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  %arrayidx17 = getelementptr inbounds [2000 x float], [2000 x float]* @D, i32 0, i64 %idxprom12
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  %3 = load float, float* %arrayidx17, align 4
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  %add18 = fadd float %2, %3
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  store float %add18, float* %arrayidx13, align 4
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  %add24 = add nsw i32 %mul, 2
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  %idxprom25 = sext i32 %add24 to i64
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  %arrayidx26 = getelementptr inbounds [2000 x float], [2000 x float]* @C, i32 0, i64 %idxprom25
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  %4 = load float, float* %arrayidx26, align 4
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  %arrayidx30 = getelementptr inbounds [2000 x float], [2000 x float]* @D, i32 0, i64 %idxprom25
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  %5 = load float, float* %arrayidx30, align 4
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  %add31 = fadd float %4, %5
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  store float %add31, float* %arrayidx26, align 4
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  %add37 = add nsw i32 %mul, 3
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  %idxprom38 = sext i32 %add37 to i64
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  %arrayidx39 = getelementptr inbounds [2000 x float], [2000 x float]* @C, i32 0, i64 %idxprom38
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  %6 = load float, float* %arrayidx39, align 4
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  %arrayidx43 = getelementptr inbounds [2000 x float], [2000 x float]* @D, i32 0, i64 %idxprom38
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  %7 = load float, float* %arrayidx43, align 4
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  %add44 = fadd float %6, %7
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  store float %add44, float* %arrayidx39, align 4
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  ret void
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}
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; Similar to the previous tests, but now we are dealing with AddRec SCEV.
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; CHECK-LABEL: foo_loop
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; CHECK: x double>
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; Function Attrs: nounwind ssp uwtable
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define i32 @foo_loop(double* %A, i32 %n) #0 {
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entry:
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  %A.addr = alloca double*, align 8
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  %n.addr = alloca i32, align 4
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  %sum = alloca double, align 8
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  %i = alloca i32, align 4
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  store double* %A, double** %A.addr, align 8
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  store i32 %n, i32* %n.addr, align 4
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  store double 0.000000e+00, double* %sum, align 8
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  store i32 0, i32* %i, align 4
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  %cmp1 = icmp slt i32 0, %n
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  br i1 %cmp1, label %for.body.lr.ph, label %for.end
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for.body.lr.ph:                                   ; preds = %entry
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  br label %for.body
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for.body:                                         ; preds = %for.body.lr.ph, %for.body
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  %0 = phi i32 [ 0, %for.body.lr.ph ], [ %inc, %for.body ]
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  %1 = phi double [ 0.000000e+00, %for.body.lr.ph ], [ %add7, %for.body ]
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  %mul = mul nsw i32 %0, 2
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  %idxprom = sext i32 %mul to i64
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  %arrayidx = getelementptr inbounds double, double* %A, i64 %idxprom
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  %2 = load double, double* %arrayidx, align 8
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  %mul1 = fmul double 7.000000e+00, %2
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  %add = add nsw i32 %mul, 1
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  %idxprom3 = sext i32 %add to i64
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  %arrayidx4 = getelementptr inbounds double, double* %A, i64 %idxprom3
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  %3 = load double, double* %arrayidx4, align 8
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  %mul5 = fmul double 7.000000e+00, %3
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  %add6 = fadd double %mul1, %mul5
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  %add7 = fadd double %1, %add6
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  store double %add7, double* %sum, align 8
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  %inc = add nsw i32 %0, 1
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  store i32 %inc, i32* %i, align 4
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  %cmp = icmp slt i32 %inc, %n
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  br i1 %cmp, label %for.body, label %for.cond.for.end_crit_edge
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for.cond.for.end_crit_edge:                       ; preds = %for.body
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  %split = phi double [ %add7, %for.body ]
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  br label %for.end
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for.end:                                          ; preds = %for.cond.for.end_crit_edge, %entry
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  %.lcssa = phi double [ %split, %for.cond.for.end_crit_edge ], [ 0.000000e+00, %entry ]
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  %conv = fptosi double %.lcssa to i32
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  ret i32 %conv
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}
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attributes #0 = { nounwind ssp uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
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!llvm.ident = !{!0}
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!0 = !{!"clang version 3.5.0 "}
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