mirror of
https://github.com/c64scene-ar/llvm-6502.git
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badffcf8fd
I don't think this is possible with the current implementation but that may change eventually. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166877 91177308-0d34-0410-b5e6-96231b3b80d8
82 lines
3.2 KiB
LLVM
82 lines
3.2 KiB
LLVM
; RUN: opt -basicaa -loop-idiom < %s -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-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
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target triple = "x86_64-apple-darwin10.0.0"
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; CHECK: @memset
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; CHECK-NOT: llvm.memset
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define i8* @memset(i8* %b, i32 %c, i64 %len) nounwind uwtable ssp {
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entry:
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%cmp1 = icmp ult i64 0, %len
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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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%conv6 = trunc i32 %c to i8
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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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%indvar = phi i64 [ 0, %for.body.lr.ph ], [ %indvar.next, %for.body ]
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%p.02 = getelementptr i8* %b, i64 %indvar
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store i8 %conv6, i8* %p.02, align 1
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%indvar.next = add i64 %indvar, 1
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%exitcond = icmp ne i64 %indvar.next, %len
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br i1 %exitcond, 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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br label %for.end
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for.end: ; preds = %for.cond.for.end_crit_edge, %entry
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ret i8* %b
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}
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; CHECK: @memcpy
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; CHECK-NOT: llvm.memcpy
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define i8* @memcpy(i8* noalias %dst, i8* noalias %src, i64 %n) nounwind {
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entry:
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%tobool3 = icmp eq i64 %n, 0
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br i1 %tobool3, label %while.end, label %while.body
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while.body: ; preds = %entry, %while.body
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%c2.06 = phi i8* [ %incdec.ptr, %while.body ], [ %src, %entry ]
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%c1.05 = phi i8* [ %incdec.ptr1, %while.body ], [ %dst, %entry ]
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%n.addr.04 = phi i64 [ %dec, %while.body ], [ %n, %entry ]
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%dec = add i64 %n.addr.04, -1
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%incdec.ptr = getelementptr inbounds i8* %c2.06, i64 1
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%0 = load i8* %c2.06, align 1
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%incdec.ptr1 = getelementptr inbounds i8* %c1.05, i64 1
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store i8 %0, i8* %c1.05, align 1
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%tobool = icmp eq i64 %dec, 0
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br i1 %tobool, label %while.end, label %while.body
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while.end: ; preds = %while.body, %entry
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ret i8* %dst
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}
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; CHECK: @memmove
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; CHECK-NOT: llvm.memmove
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define i8* @memmove(i8* %dst, i8* nocapture %src, i64 %count) nounwind {
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entry:
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%sub = add i64 %count, -1
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%tobool9 = icmp eq i64 %count, 0
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br i1 %tobool9, label %while.end, label %while.body.lr.ph
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while.body.lr.ph: ; preds = %entry
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%add.ptr2 = getelementptr inbounds i8* %src, i64 %sub
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%add.ptr = getelementptr inbounds i8* %dst, i64 %sub
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br label %while.body
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while.body: ; preds = %while.body.lr.ph, %while.body
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%b.012 = phi i8* [ %add.ptr2, %while.body.lr.ph ], [ %incdec.ptr, %while.body ]
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%a.011 = phi i8* [ %add.ptr, %while.body.lr.ph ], [ %incdec.ptr3, %while.body ]
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%count.addr.010 = phi i64 [ %count, %while.body.lr.ph ], [ %dec, %while.body ]
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%dec = add i64 %count.addr.010, -1
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%incdec.ptr = getelementptr inbounds i8* %b.012, i64 -1
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%0 = load i8* %b.012, align 1
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%incdec.ptr3 = getelementptr inbounds i8* %a.011, i64 -1
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store i8 %0, i8* %a.011, align 1
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%tobool = icmp eq i64 %dec, 0
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br i1 %tobool, label %while.end, label %while.body
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while.end: ; preds = %while.body, %entry
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ret i8* %dst
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}
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