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https://github.com/c64scene-ar/llvm-6502.git
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42 lines
1.3 KiB
LLVM
42 lines
1.3 KiB
LLVM
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; RUN: llc -march=mipsel < %s | FileCheck %s
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@g0 = common global i32 0, align 4
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@g1 = common global i32 0, align 4
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; Check that LSR doesn't choose a solution with a formula "reg + 4*reg".
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;
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; CHECK: $BB0_2:
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; CHECK-NOT: sll ${{[0-9]+}}, ${{[0-9]+}}, 2
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define i32 @f0(i32 %n, i32 %m, [256 x i32]* nocapture %a, [256 x i32]* nocapture %b) nounwind readonly {
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entry:
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br label %for.cond1.preheader
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for.cond1.preheader:
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%s.022 = phi i32 [ 0, %entry ], [ %add7, %for.inc9 ]
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%i.021 = phi i32 [ 0, %entry ], [ %add10, %for.inc9 ]
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br label %for.body3
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for.body3:
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%s.120 = phi i32 [ %s.022, %for.cond1.preheader ], [ %add7, %for.body3 ]
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%j.019 = phi i32 [ 0, %for.cond1.preheader ], [ %add8, %for.body3 ]
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%arrayidx4 = getelementptr inbounds [256 x i32]* %a, i32 %i.021, i32 %j.019
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%0 = load i32* %arrayidx4, align 4
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%arrayidx6 = getelementptr inbounds [256 x i32]* %b, i32 %i.021, i32 %j.019
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%1 = load i32* %arrayidx6, align 4
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%add = add i32 %0, %s.120
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%add7 = add i32 %add, %1
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%add8 = add nsw i32 %j.019, %m
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%cmp2 = icmp slt i32 %add8, 64
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br i1 %cmp2, label %for.body3, label %for.inc9
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for.inc9:
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%add10 = add nsw i32 %i.021, %n
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%cmp = icmp slt i32 %add10, 64
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br i1 %cmp, label %for.cond1.preheader, label %for.end11
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for.end11:
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ret i32 %add7
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}
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