bug17276.ll
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; RUN: llc -march=hexagon -function-sections < %s | FileCheck %s
; CHECK: if (!p0)
; CHECK-NOT: if (p0.new)
; CHECK: {
target triple = "hexagon-unknown--elf"
%s.0 = type { i8*, i8* }
%s.1 = type { i8, [2 x %s.2*] }
%s.2 = type { i32, i32 }
@g0 = internal constant %s.0 zeroinitializer, align 4
; Function Attrs: minsize nounwind
define i32 @f0(%s.1* %a0) #0 {
b0:
%v0 = tail call i32 @f1(%s.1* %a0, i32 0)
ret i32 %v0
}
; Function Attrs: minsize nounwind
define internal i32 @f1(%s.1* %a0, i32 %a1) #0 {
b0:
%v0 = icmp eq %s.1* %a0, null
br i1 %v0, label %b4, label %b1
b1: ; preds = %b0
%v1 = icmp eq i32 %a1, 1
br i1 %v1, label %b3, label %b2
b2: ; preds = %b1
tail call void @f2(%s.0* null) #3
unreachable
b3: ; preds = %b1
tail call void @f2(%s.0* @g0) #3
unreachable
b4: ; preds = %b0
%v2 = load %s.2*, %s.2** inttoptr (i32 4 to %s.2**), align 4, !tbaa !0
%v3 = icmp eq %s.2* %v2, null
br i1 %v3, label %b5, label %b6
b5: ; preds = %b4
tail call void @f3(i32 0) #4
br label %b10
b6: ; preds = %b4
%v4 = tail call zeroext i8 @f4(%s.1* null) #4
%v5 = icmp eq i8 %v4, 0
br i1 %v5, label %b7, label %b8
b7: ; preds = %b6
tail call void @f3(i32 0) #4
br label %b9
b8: ; preds = %b6
%v6 = load %s.2*, %s.2** inttoptr (i32 4 to %s.2**), align 4, !tbaa !0
%v7 = icmp eq i32 %a1, 1
%v8 = getelementptr inbounds %s.2, %s.2* %v6, i32 0, i32 1
%v9 = getelementptr inbounds %s.2, %s.2* %v6, i32 0, i32 0
%v10 = select i1 %v7, i32* %v8, i32* %v9
%v11 = tail call i32 @f5(i32* %v10) #4
br label %b9
b9: ; preds = %b8, %b7
%v12 = phi i32 [ 0, %b7 ], [ %v11, %b8 ]
tail call void @f3(i32 %v12) #4
br label %b10
b10: ; preds = %b9, %b5
%v13 = phi i32 [ 0, %b5 ], [ %v12, %b9 ]
ret i32 %v13
}
; Function Attrs: noreturn optsize
declare void @f2(%s.0*) #1
; Function Attrs: optsize
declare void @f3(i32) #2
; Function Attrs: optsize
declare zeroext i8 @f4(%s.1*) #2
; Function Attrs: optsize
declare i32 @f5(i32*) #2
; Function Attrs: minsize nounwind
define i32 @f6(%s.1* %a0) #0 {
b0:
%v0 = tail call i32 @f1(%s.1* %a0, i32 1)
ret i32 %v0
}
attributes #0 = { minsize nounwind }
attributes #1 = { noreturn optsize }
attributes #2 = { optsize }
attributes #3 = { noreturn nounwind optsize }
attributes #4 = { nounwind optsize }
!0 = !{!1, !1, i64 0}
!1 = !{!"any pointer", !2, i64 0}
!2 = !{!"omnipotent char", !3, i64 0}
!3 = !{!"Simple C/C++ TBAA"}