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1; RUN: opt -S -passes=rewrite-statepoints-for-gc < %s | FileCheck %s2 3; Regression test to incorrectly testing fixed state causing infinite loop.4; CHECK: test5target triple = "x86_64-unknown-linux-gnu"6 7declare void @bar(ptr addrspace(1) nocapture readonly)8declare noalias ptr addrspace(1) @foo()9 10define ptr addrspace(1) @test(i1 %c, i1 %c1, i1 %c2, i1 %c3, i1 %c4, i1 %c5, i1 %c.exit) gc "statepoint-example" {11entry:12 br i1 %c, label %ph.L, label %ph.R13ph.L:14 %ph.L.p.b = call noalias nonnull ptr addrspace(1) @foo()15 %ph.L.p = getelementptr i8, ptr addrspace(1) %ph.L.p.b, i64 816 br label %ph.M17ph.R:18 %ph.R.p = call noalias nonnull ptr addrspace(1) @foo()19 br label %ph.M20ph.M:21 %ph.M.p = phi ptr addrspace(1) [ %ph.L.p, %ph.L ], [ %ph.R.p, %ph.R ]22 br label %header23 24header:25 %header.p = phi ptr addrspace(1) [ %ph.M.p, %ph.M ], [ %backedge.p, %backedge]26 br i1 %c1, label %loop.M, label %loop.R27 28loop.R:29 br i1 %c2, label %loop.R.M, label %loop.R.R30 31loop.R.R:32 %loop.R.R.p = call noalias nonnull ptr addrspace(1) @foo()33 br label %loop.R.M34 35loop.R.M:36 %loop.R.M.p = phi ptr addrspace(1) [ %header.p, %loop.R ], [ %loop.R.R.p, %loop.R.R ]37 br label %loop.M38 39loop.M:40 %loop.M.p = phi ptr addrspace(1) [ %loop.R.M.p, %loop.R.M ], [ %header.p, %header ]41 br i1 %c4, label %backedge, label %pre.backedge.R42 43pre.backedge.R:44 br i1 %c5, label %pre.backedge.R.L, label %pre.backedge.R.R45pre.backedge.R.L:46 %pre.backedge.R.L.p.b = call noalias nonnull ptr addrspace(1) @foo()47 %pre.backedge.R.L.p = getelementptr i8, ptr addrspace(1) %pre.backedge.R.L.p.b, i64 848 br label %pre.backedge.R.M49pre.backedge.R.R:50 %pre.backedge.R.R.p = call noalias nonnull ptr addrspace(1) @foo()51 br label %pre.backedge.R.M52pre.backedge.R.M:53 %pre.backedge.R.M.p = phi ptr addrspace(1) [ %pre.backedge.R.L.p, %pre.backedge.R.L ], [ %pre.backedge.R.R.p, %pre.backedge.R.R ]54 br label %backedge55 56backedge:57 %backedge.p = phi ptr addrspace(1) [ %pre.backedge.R.M.p, %pre.backedge.R.M ], [ %loop.M.p, %loop.M ]58 br i1 %c.exit, label %header, label %exit59 60exit: ; preds = %3, %161 call void @bar(ptr addrspace(1) align 8 %header.p) [ "deopt"() ]62 ret ptr addrspace(1) %header.p63}64