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Imported Upstream version 5.18.0.167
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; 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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