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b57d99694b
IT blocks can only be one instruction lonf, and can only contain a subset of the 16 instructions. Patch by Artyom Skrobov! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190309 91177308-0d34-0410-b5e6-96231b3b80d8
38 lines
1.3 KiB
LLVM
38 lines
1.3 KiB
LLVM
; RUN: llc < %s -mtriple=thumbv8 | FileCheck %s
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%struct.quad_struct = type { i32, i32, %struct.quad_struct*, %struct.quad_struct*, %struct.quad_struct*, %struct.quad_struct*, %struct.quad_struct* }
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define fastcc i32 @CountTree(%struct.quad_struct* %tree) {
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entry:
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; CHECK-LABEL: CountTree:
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; CHECK: bne
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; CHECK: cmp
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; CHECK: it eq
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; CHECK: cmpeq
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; CHECK: bne
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; CHECK: mov
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; CHECK: pop
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br label %tailrecurse
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tailrecurse: ; preds = %bb, %entry
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%tmp6 = load %struct.quad_struct** null ; <%struct.quad_struct*> [#uses=1]
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%tmp9 = load %struct.quad_struct** null ; <%struct.quad_struct*> [#uses=2]
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%tmp12 = load %struct.quad_struct** null ; <%struct.quad_struct*> [#uses=1]
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%tmp14 = icmp eq %struct.quad_struct* null, null ; <i1> [#uses=1]
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%tmp17 = icmp eq %struct.quad_struct* %tmp6, null ; <i1> [#uses=1]
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%tmp23 = icmp eq %struct.quad_struct* %tmp9, null ; <i1> [#uses=1]
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%tmp29 = icmp eq %struct.quad_struct* %tmp12, null ; <i1> [#uses=1]
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%bothcond = and i1 %tmp17, %tmp14 ; <i1> [#uses=1]
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%bothcond1 = and i1 %bothcond, %tmp23 ; <i1> [#uses=1]
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%bothcond2 = and i1 %bothcond1, %tmp29 ; <i1> [#uses=1]
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br i1 %bothcond2, label %return, label %bb
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bb: ; preds = %tailrecurse
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%tmp41 = tail call fastcc i32 @CountTree( %struct.quad_struct* %tmp9 ) ; <i32> [#uses=0]
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br label %tailrecurse
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return: ; preds = %tailrecurse
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ret i32 0
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}
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