mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-15 04:30:12 +00:00
71ba09f2c4
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147701 91177308-0d34-0410-b5e6-96231b3b80d8
92 lines
3.8 KiB
LLVM
92 lines
3.8 KiB
LLVM
; RUN: opt -loop-reduce -S < %s | FileCheck %s
|
|
; PR9939
|
|
|
|
; LSR should properly handle the post-inc offset when folding the
|
|
; non-IV operand of an icmp into the IV.
|
|
|
|
; CHECK: %4 = sub i64 %sub.ptr.lhs.cast, %sub.ptr.rhs.cast
|
|
; CHECK: %5 = lshr i64 %4, 1
|
|
; CHECK: %6 = mul i64 %5, 2
|
|
; CHECK: br label %for.body
|
|
; CHECK: for.body:
|
|
; CHECK: %lsr.iv2 = phi i64 [ %lsr.iv.next, %for.body ], [ %6, %for.body.lr.ph ]
|
|
; CHECK: %lsr.iv.next = add i64 %lsr.iv2, -2
|
|
; CHECK: %lsr.iv.next3 = inttoptr i64 %lsr.iv.next to i16*
|
|
; CHECK: %cmp27 = icmp eq i16* %lsr.iv.next3, null
|
|
|
|
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"
|
|
target triple = "x86_64-unknown-linux-gnu"
|
|
|
|
%struct.Vector2 = type { i16*, [64 x i16], i32 }
|
|
|
|
@.str = private unnamed_addr constant [37 x i8] c"0123456789abcdefghijklmnopqrstuvwxyz\00"
|
|
|
|
define void @_Z15IntegerToStringjjR7Vector2(i32 %i, i32 %radix, %struct.Vector2* nocapture %result) nounwind noinline {
|
|
entry:
|
|
%buffer = alloca [33 x i16], align 16
|
|
%add.ptr = getelementptr inbounds [33 x i16]* %buffer, i64 0, i64 33
|
|
br label %do.body
|
|
|
|
do.body: ; preds = %do.body, %entry
|
|
%0 = phi i64 [ %indvar.next44, %do.body ], [ 0, %entry ]
|
|
%i.addr.0 = phi i32 [ %div, %do.body ], [ %i, %entry ]
|
|
%tmp51 = sub i64 32, %0
|
|
%incdec.ptr = getelementptr [33 x i16]* %buffer, i64 0, i64 %tmp51
|
|
%rem = urem i32 %i.addr.0, 10
|
|
%div = udiv i32 %i.addr.0, 10
|
|
%idxprom = zext i32 %rem to i64
|
|
%arrayidx = getelementptr inbounds [37 x i8]* @.str, i64 0, i64 %idxprom
|
|
%tmp5 = load i8* %arrayidx, align 1
|
|
%conv = sext i8 %tmp5 to i16
|
|
store i16 %conv, i16* %incdec.ptr, align 2
|
|
%1 = icmp ugt i32 %i.addr.0, 9
|
|
%indvar.next44 = add i64 %0, 1
|
|
br i1 %1, label %do.body, label %do.end
|
|
|
|
do.end: ; preds = %do.body
|
|
%xap.0 = inttoptr i64 %0 to i1*
|
|
%cap.0 = ptrtoint i1* %xap.0 to i64
|
|
%sub.ptr.lhs.cast = ptrtoint i16* %add.ptr to i64
|
|
%sub.ptr.rhs.cast = ptrtoint i16* %incdec.ptr to i64
|
|
%sub.ptr.sub = sub i64 %sub.ptr.lhs.cast, %sub.ptr.rhs.cast
|
|
%sub.ptr.div39 = lshr exact i64 %sub.ptr.sub, 1
|
|
%conv11 = trunc i64 %sub.ptr.div39 to i32
|
|
%mLength = getelementptr inbounds %struct.Vector2* %result, i64 0, i32 2
|
|
%idx.ext21 = bitcast i64 %sub.ptr.div39 to i64
|
|
%incdec.ptr.sum = add i64 %idx.ext21, -1
|
|
%cp.0.sum = sub i64 %incdec.ptr.sum, %0
|
|
%add.ptr22 = getelementptr [33 x i16]* %buffer, i64 1, i64 %cp.0.sum
|
|
%cmp2740 = icmp eq i64 %idx.ext21, 0
|
|
br i1 %cmp2740, label %for.end, label %for.body.lr.ph
|
|
|
|
for.body.lr.ph: ; preds = %do.end
|
|
%tmp16 = load i32* %mLength, align 4
|
|
%mBegin = getelementptr inbounds %struct.Vector2* %result, i64 0, i32 0
|
|
%tmp14 = load i16** %mBegin, align 8
|
|
%tmp48 = zext i32 %tmp16 to i64
|
|
br label %for.body
|
|
|
|
for.body: ; preds = %for.body, %for.body.lr.ph
|
|
%indvar = phi i64 [ 0, %for.body.lr.ph ], [ %indvar.next, %for.body ]
|
|
%tmp46 = add i64 %tmp51, %indvar
|
|
%p.042 = getelementptr [33 x i16]* %buffer, i64 0, i64 %tmp46
|
|
%tmp47 = sub i64 %indvar, %0
|
|
%incdec.ptr32 = getelementptr [33 x i16]* %buffer, i64 1, i64 %tmp47
|
|
%tmp49 = add i64 %tmp48, %indvar
|
|
%dst.041 = getelementptr i16* %tmp14, i64 %tmp49
|
|
%tmp29 = load i16* %p.042, align 2
|
|
store i16 %tmp29, i16* %dst.041, align 2
|
|
%cmp27 = icmp eq i16* %incdec.ptr32, %add.ptr22
|
|
%indvar.next = add i64 %indvar, 1
|
|
br i1 %cmp27, label %for.end.loopexit, label %for.body
|
|
|
|
for.end.loopexit: ; preds = %for.body
|
|
br label %for.end
|
|
|
|
for.end: ; preds = %for.end.loopexit, %do.end
|
|
%tmp38 = load i32* %mLength, align 4
|
|
%add = add i32 %tmp38, %conv11
|
|
store i32 %add, i32* %mLength, align 4
|
|
ret void
|
|
}
|