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156 lines
5.1 KiB
LLVM
156 lines
5.1 KiB
LLVM
; RUN: opt -loop-rotate -disable-output -verify-dom-info -verify-loop-info < %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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; PR8955 - Rotating an outer loop that has a condbr for a latch block.
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define void @test1() nounwind ssp {
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entry:
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br label %lbl_283
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lbl_283: ; preds = %if.end, %entry
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br i1 undef, label %if.else, label %if.then
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if.then: ; preds = %lbl_283
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br i1 undef, label %if.end, label %for.condthread-pre-split
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for.condthread-pre-split: ; preds = %if.then
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br label %for.cond
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for.cond: ; preds = %for.cond, %for.condthread-pre-split
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br i1 undef, label %lbl_281, label %for.cond
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lbl_281: ; preds = %if.end, %for.cond
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br label %if.end
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if.end: ; preds = %lbl_281, %if.then
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br i1 undef, label %lbl_283, label %lbl_281
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if.else: ; preds = %lbl_283
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ret void
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}
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%struct.relation = type { [4 x i16], i32, [4 x i16], i32, i32 }
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define void @test2() {
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entry:
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br i1 false, label %bb139, label %bb10.i44
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bb10.i44: ; preds = %entry
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ret void
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bb127: ; preds = %bb139
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br label %bb139
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bb139: ; preds = %bb127, %entry
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br i1 false, label %bb127, label %bb142
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bb142: ; preds = %bb139
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%r91.0.lcssa = phi %struct.relation* [ null, %bb139 ] ; <%struct.relation*> [#uses=0]
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ret void
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}
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define void @test3() {
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entry:
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br i1 false, label %bb139, label %cond_true
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cond_true: ; preds = %entry
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ret void
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bb90: ; preds = %bb139
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br i1 false, label %bb136, label %cond_next121
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cond_next121: ; preds = %bb90
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br i1 false, label %bb136, label %bb127
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bb127: ; preds = %cond_next121
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br label %bb136
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bb136: ; preds = %bb127, %cond_next121, %bb90
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%changes.1 = phi i32 [ %changes.2, %bb90 ], [ %changes.2, %cond_next121 ], [ 1, %bb127 ] ; <i32> [#uses=1]
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br label %bb139
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bb139: ; preds = %bb136, %entry
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%changes.2 = phi i32 [ %changes.1, %bb136 ], [ 0, %entry ] ; <i32> [#uses=3]
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br i1 false, label %bb90, label %bb142
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bb142: ; preds = %bb139
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%changes.2.lcssa = phi i32 [ %changes.2, %bb139 ] ; <i32> [#uses=0]
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ret void
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}
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define void @test4() {
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entry:
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br i1 false, label %cond_false485, label %bb405
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bb405: ; preds = %entry
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ret void
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cond_false485: ; preds = %entry
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br label %bb830
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bb511: ; preds = %bb830
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br i1 false, label %bb816, label %bb830
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cond_next667: ; preds = %bb816
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br i1 false, label %cond_next695, label %bb680
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bb676: ; preds = %bb680
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br label %bb680
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bb680: ; preds = %bb676, %cond_next667
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%iftmp.68.0 = zext i1 false to i8 ; <i8> [#uses=1]
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br i1 false, label %bb676, label %cond_next695
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cond_next695: ; preds = %bb680, %cond_next667
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%iftmp.68.2 = phi i8 [ %iftmp.68.0, %bb680 ], [ undef, %cond_next667 ] ; <i8> [#uses=0]
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ret void
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bb816: ; preds = %bb816, %bb511
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br i1 false, label %cond_next667, label %bb816
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bb830: ; preds = %bb511, %cond_false485
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br i1 false, label %bb511, label %bb835
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bb835: ; preds = %bb830
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ret void
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}
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%struct.NSArray = type { %struct.NSObject }
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%struct.NSObject = type { %struct.objc_class* }
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%struct.NSRange = type { i64, i64 }
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%struct._message_ref_t = type { %struct.NSObject* (%struct.NSObject*, %struct._message_ref_t*, ...)*, %struct.objc_selector* }
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%struct.objc_class = type opaque
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%struct.objc_selector = type opaque
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@"\01L_OBJC_MESSAGE_REF_26" = external global %struct._message_ref_t ; <%struct._message_ref_t*> [#uses=1]
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define %struct.NSArray* @test5(%struct.NSArray* %self, %struct._message_ref_t* %_cmd) {
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entry:
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br label %bb116
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bb116: ; preds = %bb131, %entry
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%tmp123 = call %struct.NSRange null( %struct.NSObject* null, %struct._message_ref_t* @"\01L_OBJC_MESSAGE_REF_26", %struct.NSArray* null ) ; <%struct.NSRange> [#uses=1]
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br i1 false, label %bb141, label %bb131
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bb131: ; preds = %bb116
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%mrv_gr125 = extractvalue %struct.NSRange %tmp123, 1 ; <i64> [#uses=0]
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br label %bb116
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bb141: ; preds = %bb116
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ret %struct.NSArray* null
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}
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define void @test6(i8* %msg) {
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entry:
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br label %bb15
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bb6: ; preds = %bb15
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%gep.upgrd.1 = zext i32 %offset.1 to i64 ; <i64> [#uses=1]
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%tmp11 = getelementptr i8* %msg, i64 %gep.upgrd.1 ; <i8*> [#uses=0]
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br label %bb15
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bb15: ; preds = %bb6, %entry
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%offset.1 = add i32 0, 1 ; <i32> [#uses=2]
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br i1 false, label %bb6, label %bb17
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bb17: ; preds = %bb15
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%offset.1.lcssa = phi i32 [ %offset.1, %bb15 ] ; <i32> [#uses=0]
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%payload_type.1.lcssa = phi i32 [ 0, %bb15 ] ; <i32> [#uses=0]
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ret void
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}
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; PR9523 - Non-canonical loop.
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define void @test7(i8* %P) nounwind {
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entry:
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indirectbr i8* %P, [label %"3", label %"5"]
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"3": ; preds = %"4", %entry
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br i1 undef, label %"5", label %"4"
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"4": ; preds = %"3"
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br label %"3"
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"5": ; preds = %"3", %entry
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ret void
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}
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