105 lines
2.8 KiB
LLVM
105 lines
2.8 KiB
LLVM
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; RUN: llc -march=hexagon -function-sections < %s | FileCheck %s
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; CHECK: if (!p0)
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; CHECK-NOT: if (p0.new)
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; CHECK: {
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target triple = "hexagon-unknown--elf"
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%s.0 = type { i8*, i8* }
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%s.1 = type { i8, [2 x %s.2*] }
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%s.2 = type { i32, i32 }
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@g0 = internal constant %s.0 zeroinitializer, align 4
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; Function Attrs: minsize nounwind
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define i32 @f0(%s.1* %a0) #0 {
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b0:
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%v0 = tail call i32 @f1(%s.1* %a0, i32 0)
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ret i32 %v0
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}
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; Function Attrs: minsize nounwind
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define internal i32 @f1(%s.1* %a0, i32 %a1) #0 {
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b0:
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%v0 = icmp eq %s.1* %a0, null
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br i1 %v0, label %b4, label %b1
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b1: ; preds = %b0
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%v1 = icmp eq i32 %a1, 1
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br i1 %v1, label %b3, label %b2
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b2: ; preds = %b1
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tail call void @f2(%s.0* null) #3
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unreachable
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b3: ; preds = %b1
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tail call void @f2(%s.0* @g0) #3
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unreachable
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b4: ; preds = %b0
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%v2 = load %s.2*, %s.2** inttoptr (i32 4 to %s.2**), align 4, !tbaa !0
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%v3 = icmp eq %s.2* %v2, null
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br i1 %v3, label %b5, label %b6
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b5: ; preds = %b4
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tail call void @f3(i32 0) #4
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br label %b10
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b6: ; preds = %b4
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%v4 = tail call zeroext i8 @f4(%s.1* null) #4
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%v5 = icmp eq i8 %v4, 0
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br i1 %v5, label %b7, label %b8
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b7: ; preds = %b6
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tail call void @f3(i32 0) #4
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br label %b9
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b8: ; preds = %b6
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%v6 = load %s.2*, %s.2** inttoptr (i32 4 to %s.2**), align 4, !tbaa !0
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%v7 = icmp eq i32 %a1, 1
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%v8 = getelementptr inbounds %s.2, %s.2* %v6, i32 0, i32 1
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%v9 = getelementptr inbounds %s.2, %s.2* %v6, i32 0, i32 0
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%v10 = select i1 %v7, i32* %v8, i32* %v9
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%v11 = tail call i32 @f5(i32* %v10) #4
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br label %b9
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b9: ; preds = %b8, %b7
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%v12 = phi i32 [ 0, %b7 ], [ %v11, %b8 ]
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tail call void @f3(i32 %v12) #4
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br label %b10
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b10: ; preds = %b9, %b5
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%v13 = phi i32 [ 0, %b5 ], [ %v12, %b9 ]
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ret i32 %v13
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}
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; Function Attrs: noreturn optsize
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declare void @f2(%s.0*) #1
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; Function Attrs: optsize
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declare void @f3(i32) #2
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; Function Attrs: optsize
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declare zeroext i8 @f4(%s.1*) #2
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; Function Attrs: optsize
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declare i32 @f5(i32*) #2
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; Function Attrs: minsize nounwind
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define i32 @f6(%s.1* %a0) #0 {
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b0:
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%v0 = tail call i32 @f1(%s.1* %a0, i32 1)
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ret i32 %v0
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}
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attributes #0 = { minsize nounwind }
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attributes #1 = { noreturn optsize }
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attributes #2 = { optsize }
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attributes #3 = { noreturn nounwind optsize }
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attributes #4 = { nounwind optsize }
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!0 = !{!1, !1, i64 0}
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!1 = !{!"any pointer", !2, i64 0}
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!2 = !{!"omnipotent char", !3, i64 0}
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!3 = !{!"Simple C/C++ TBAA"}
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