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| ; RUN: opt < %s -indvars -S | FileCheck %s
; ModuleID = '<stdin>'
; Provide legal integer types.
target datalayout = "n8:16:32:64"
%struct.App1Marker = type <{ i32, i32, i32, i32, i32, i32, i32, i32, i32, i32 }>
%struct.ComponentInstanceRecord = type <{ [1 x i32] }>
%struct.DCPredictors = type { [5 x i16] }
%struct.DecodeTable = type { i16, i16, i16, i16, i8**, i8** }
%struct.ICMDataProcRecord = type <{ i16 (i8**, i32, i32)*, i32 }>
%struct.JPEGBitStream = type { i8*, i32, i32, i32, i32, i32, %struct.App1Marker*, i8*, i32, i16, i16, i32 }
%struct.JPEGGlobals = type { [2048 x i8], %struct.JPEGBitStream, i8*, i32, i32, %struct.ComponentInstanceRecord*, %struct.ComponentInstanceRecord*, i32, %struct.OpaqueQTMLMutex*, %struct.Rect, i32, i32, %struct.SharedGlobals, %struct.DCPredictors, i8, i8, void (i8*, i16**, i32, %struct.YUVGeneralParams*)*, %struct.YUVGeneralParams, i16, i16, i32, [5 x i16*], [5 x %struct.DecodeTable*], [5 x %struct.DecodeTable*], [5 x i8], [5 x i8], [4 x [65 x i16]], [4 x %struct.DecodeTable], [4 x %struct.DecodeTable], [4 x i8*], [4 x i8*], i16, i16, i32, i8**, i8**, i8**, i8**, i8**, i8**, i8**, i8**, i8**, i8**, [18 x i8], [18 x i8], [18 x i8], [18 x i8], i32, i32, i8**, i8**, i8, i8, i8, i8, i16, i16, %struct.App1Marker*, i8, i8, i8, i8, i32**, i8*, i16*, i8*, i16*, i8, [3 x i8], i32, [3 x i32], [3 x i32], [3 x i32], [3 x i32], [3 x i32], [3 x i16*], [3 x i16*], [3 x i8**], [3 x %struct.DecodeTable*], [3 x %struct.DecodeTable*], [3 x i32], i32, [3 x i16*], i32, i32, i32, [3 x i32], i8, i8, i8, i8, %struct.ICMDataProcRecord*, i32, i32, i8**, i8**, i8**, i8**, i32, i32, i8*, i32, i32, i16*, i16*, i8*, i32, i32, i32, i32, i32, i32, i32, [16 x <2 x i64>], [1280 x i8], i8 }
%struct.OpaqueQTMLMutex = type opaque
%struct.Rect = type { i16, i16, i16, i16 }
%struct.SharedDGlobals = type { %struct.DecodeTable, %struct.DecodeTable, %struct.DecodeTable, %struct.DecodeTable }
%struct.SharedEGlobals = type { i8**, i8**, i8**, i8** }
%struct.SharedGlobals = type { %struct.SharedEGlobals*, %struct.SharedDGlobals* }
%struct.YUVGeneralParams = type { i16*, i8*, i8*, i8*, i8*, i8*, void (i8*, i16**, i32, %struct.YUVGeneralParams*)*, i16, i16, i16, [6 x i8], void (i8*, i16**, i32, %struct.YUVGeneralParams*)*, i16, i16 }
@llvm.used = appending global [1 x i8*] [ i8* bitcast (i16 (%struct.JPEGGlobals*)* @ExtractBufferedBlocksIgnored to i8*) ], section "llvm.metadata" ; <[1 x i8*]*> [#uses=0]
define signext i16 @ExtractBufferedBlocksIgnored(%struct.JPEGGlobals* %globp) nounwind {
; CHECK-LABEL: @ExtractBufferedBlocksIgnored(
; CHECK: sext
; CHECK-NOT: sext
entry:
%tmp4311 = getelementptr %struct.JPEGGlobals, %struct.JPEGGlobals* %globp, i32 0, i32 70 ; <i32*> [#uses=1]
%tmp4412 = load i32, i32* %tmp4311, align 16 ; <i32> [#uses=2]
%tmp4613 = icmp sgt i32 %tmp4412, 0 ; <i1> [#uses=1]
br i1 %tmp4613, label %bb, label %bb49
bb: ; preds = %bb28, %entry
%component.09 = phi i16 [ 0, %entry ], [ %tmp37, %bb28 ] ; <i16> [#uses=2]
%tmp12 = sext i16 %component.09 to i32 ; <i32> [#uses=2]
%tmp6 = getelementptr %struct.JPEGGlobals, %struct.JPEGGlobals* %globp, i32 0, i32 77, i32 %tmp12 ; <i16**> [#uses=2]
%tmp7 = load i16*, i16** %tmp6, align 4 ; <i16*> [#uses=2]
%tmp235 = getelementptr %struct.JPEGGlobals, %struct.JPEGGlobals* %globp, i32 0, i32 71, i32 %tmp12 ; <i32*> [#uses=1]
%tmp246 = load i32, i32* %tmp235, align 4 ; <i32> [#uses=2]
%tmp267 = icmp sgt i32 %tmp246, 0 ; <i1> [#uses=1]
br i1 %tmp267, label %bb8, label %bb28
bb8: ; preds = %bb8, %bb
%indvar = phi i32 [ 0, %bb ], [ %indvar.next2, %bb8 ] ; <i32> [#uses=3]
%theDCTBufferIter.01.rec = shl i32 %indvar, 6 ; <i32> [#uses=1]
%tmp10.rec = add i32 %theDCTBufferIter.01.rec, 64 ; <i32> [#uses=1]
%tmp10 = getelementptr i16, i16* %tmp7, i32 %tmp10.rec ; <i16*> [#uses=1]
%i.02 = trunc i32 %indvar to i16 ; <i16> [#uses=1]
%tmp13 = add i16 %i.02, 1 ; <i16> [#uses=1]
%phitmp = sext i16 %tmp13 to i32 ; <i32> [#uses=1]
%tmp26 = icmp slt i32 %phitmp, %tmp246 ; <i1> [#uses=1]
%indvar.next2 = add i32 %indvar, 1 ; <i32> [#uses=1]
br i1 %tmp26, label %bb8, label %bb28
bb28: ; preds = %bb8, %bb
%theDCTBufferIter.0.lcssa = phi i16* [ %tmp7, %bb ], [ %tmp10, %bb8 ] ; <i16*> [#uses=1]
store i16* %theDCTBufferIter.0.lcssa, i16** %tmp6, align 4
%tmp37 = add i16 %component.09, 1 ; <i16> [#uses=2]
%phitmp15 = sext i16 %tmp37 to i32 ; <i32> [#uses=1]
%tmp46 = icmp slt i32 %phitmp15, 42 ; <i1> [#uses=1]
br i1 %tmp46, label %bb, label %bb49
bb49: ; preds = %bb28, %entry
ret i16 0
}
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