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5792f51e12
Also, if the compare is the only use, LSR would place the iv increment instruction before the compare instead in the latch. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71485 91177308-0d34-0410-b5e6-96231b3b80d8
41 lines
1.8 KiB
LLVM
41 lines
1.8 KiB
LLVM
; RUN: llvm-as < %s | llc -march=x86 | grep 4294967295 | grep mov | count 2
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%struct.FILE = type { i8*, i32, i32, i16, i16, %struct.__sbuf, i32, i8*, i32 (i8*)*, i32 (i8*, i8*, i32)*, i64 (i8*, i64, i32)*, i32 (i8*, i8*, i32)*, %struct.__sbuf, %struct.__sFILEX*, i32, [3 x i8], [1 x i8], %struct.__sbuf, i32, i64 }
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%struct.ImgT = type { i8, i8*, i8*, %struct.FILE*, i32, i32, i32, i32, i8*, double*, float*, float*, float*, i32*, double, double, i32*, double*, i32*, i32* }
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%struct._CompT = type { i32, i32, i32, i32, i32, i32, i32, i32, i32, float, float, i8, %struct._PixT*, %struct._CompT*, i8, %struct._CompT* }
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%struct._PixT = type { i32, i32, %struct._PixT* }
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%struct.__sFILEX = type opaque
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%struct.__sbuf = type { i8*, i32 }
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declare fastcc void @MergeComponents(%struct._CompT*, %struct._CompT*, %struct._CompT*, %struct._CompT**, %struct.ImgT*) nounwind
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define fastcc void @MergeToLeft(%struct._CompT* %comp, %struct._CompT** %head, %struct.ImgT* %img) nounwind {
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entry:
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br label %bb208
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bb105: ; preds = %bb200
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br i1 false, label %bb197, label %bb149
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bb149: ; preds = %bb105
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%tmp151 = getelementptr %struct._CompT* %comp, i32 0, i32 0 ; <i32*> [#uses=1]
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br label %bb193
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bb193: ; preds = %bb184, %bb149
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%tmp196 = load i32* %tmp151, align 4 ; <i32> [#uses=1]
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br label %bb197
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bb197: ; preds = %bb193, %bb105
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%last_comp.0 = phi i32 [ %tmp196, %bb193 ], [ 0, %bb105 ] ; <i32> [#uses=0]
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%indvar.next = add i32 %indvar, 1 ; <i32> [#uses=1]
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br label %bb200
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bb200: ; preds = %bb208, %bb197
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%indvar = phi i32 [ 0, %bb208 ], [ %indvar.next, %bb197 ] ; <i32> [#uses=2]
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%xm.0 = sub i32 %indvar, 0 ; <i32> [#uses=1]
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%tmp202 = icmp slt i32 %xm.0, 1 ; <i1> [#uses=1]
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br i1 %tmp202, label %bb105, label %bb208
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bb208: ; preds = %bb200, %entry
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br label %bb200
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}
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