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https://github.com/c64scene-ar/llvm-6502.git
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48 lines
1.4 KiB
LLVM
48 lines
1.4 KiB
LLVM
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; RUN: llc -mcpu=a2 -disable-lsr < %s | FileCheck %s
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target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v128:128:128-n32:64"
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target triple = "powerpc64-unknown-linux-gnu"
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define i32 @test1(i64 %add, i64* %ptr) nounwind {
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entry:
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%p1 = getelementptr i64* %ptr, i64 144115188075855
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br label %for.cond2.preheader
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for.cond2.preheader:
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%nl.018 = phi i32 [ 0, %entry ], [ %inc9, %for.end ]
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br label %for.body4
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for.body4:
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%lsr.iv = phi i32 [ %lsr.iv.next, %for.body4 ], [ 16000, %for.cond2.preheader ]
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%i0 = phi i64* [ %p1, %for.cond2.preheader ], [ %i6, %for.body4 ]
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%i6 = getelementptr i64* %i0, i64 400000
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%i7 = getelementptr i64* %i6, i64 300000
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%i8 = getelementptr i64* %i6, i64 200000
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%i9 = getelementptr i64* %i6, i64 100000
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store i64 %add, i64* %i6, align 32
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store i64 %add, i64* %i7, align 32
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store i64 %add, i64* %i8, align 32
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store i64 %add, i64* %i9, align 32
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%lsr.iv.next = add i32 %lsr.iv, -16
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%exitcond.15 = icmp eq i32 %lsr.iv.next, 0
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br i1 %exitcond.15, label %for.end, label %for.body4
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; Make sure that we generate the most compact form of this loop with no
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; unnecessary moves
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; CHECK: @test1
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; CHECK: mtctr
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; CHECK: stdux
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; CHECK-NEXT: stdx
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; CHECK-NEXT: stdx
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; CHECK-NEXT: stdx
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; CHECK-NEXT: bdnz
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for.end:
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%inc9 = add nsw i32 %nl.018, 1
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%exitcond = icmp eq i32 %inc9, 400000
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br i1 %exitcond, label %for.end10, label %for.cond2.preheader
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for.end10:
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ret i32 0
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}
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