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https://github.com/c64scene-ar/llvm-6502.git
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2a5e8c328e
On PPC32, i64 FP conversions are implemented using runtime calls (which clobber the counter register). These must be excluded. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182023 91177308-0d34-0410-b5e6-96231b3b80d8
29 lines
926 B
LLVM
29 lines
926 B
LLVM
; RUN: llc < %s -mcpu=generic | FileCheck %s
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target datalayout = "E-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v128:128:128-n32"
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target triple = "powerpc-unknown-linux-gnu"
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define i64 @foo(double* nocapture %n) nounwind readonly {
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entry:
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br label %for.body
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for.body: ; preds = %for.body, %entry
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%i.06 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
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%x.05 = phi i64 [ 0, %entry ], [ %conv1, %for.body ]
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%arrayidx = getelementptr inbounds double* %n, i32 %i.06
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%0 = load double* %arrayidx, align 8
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%conv = sitofp i64 %x.05 to double
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%add = fadd double %conv, %0
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%conv1 = fptosi double %add to i64
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%inc = add nsw i32 %i.06, 1
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%exitcond = icmp eq i32 %inc, 2048
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br i1 %exitcond, label %for.end, label %for.body
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for.end: ; preds = %for.body
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ret i64 %conv1
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}
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; CHECK: @foo
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; CHECK-NOT: mtctr
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