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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=aarch64-none-linux -O2 < %s | FileCheck %s --check-prefix=CHECK-O2
; RUN: llc -mtriple=aarch64-none-linux -O3 < %s | FileCheck %s --check-prefix=CHECK-O3
; RUN: llc -mtriple=aarch64-none-linux -tail-dup-size=4 < %s | FileCheck %s --check-prefix=CHECK-O2
; RUN: llc -mtriple=aarch64-none-linux -tail-dup-placement-threshold=4 < %s | FileCheck %s --check-prefix=CHECK-O2
; RUN: llc -mtriple=aarch64-none-linux -tail-dup-placement-threshold=6 < %s | FileCheck %s --check-prefix=CHECK-O3
%a = type { %a*, i32, %b }
%b = type { %c }
%c = type { i32, i32, [31 x i8] }
@global_ptr = dso_local local_unnamed_addr global %a* null, align 8
@global_int = dso_local local_unnamed_addr global i32 0, align 4
define dso_local void @testcase(%a** nocapture %arg){
; CHECK-O2-LABEL: testcase:
; CHECK-O2: // %bb.0: // %entry
; CHECK-O2-NEXT: adrp x8, global_ptr
; CHECK-O2-NEXT: ldr x9, [x8, :lo12:global_ptr]
; CHECK-O2-NEXT: cbz x9, .LBB0_2
; CHECK-O2-NEXT: // %bb.1: // %if.then
; CHECK-O2-NEXT: ldr x9, [x9]
; CHECK-O2-NEXT: str x9, [x0]
; CHECK-O2-NEXT: ldr x8, [x8, :lo12:global_ptr]
; CHECK-O2-NEXT: b .LBB0_3
; CHECK-O2-NEXT: .LBB0_2:
; CHECK-O2-NEXT: mov x8, xzr
; CHECK-O2-NEXT: .LBB0_3: // %if.end
; CHECK-O2-NEXT: adrp x9, global_int
; CHECK-O2-NEXT: add x2, x8, #16
; CHECK-O2-NEXT: mov w0, #10
; CHECK-O2-NEXT: ldr w1, [x9, :lo12:global_int]
; CHECK-O2-NEXT: b externalfunc
;
; CHECK-O3-LABEL: testcase:
; CHECK-O3: // %bb.0: // %entry
; CHECK-O3-NEXT: adrp x8, global_ptr
; CHECK-O3-NEXT: ldr x9, [x8, :lo12:global_ptr]
; CHECK-O3-NEXT: cbz x9, .LBB0_2
; CHECK-O3-NEXT: // %bb.1: // %if.then
; CHECK-O3-NEXT: ldr x9, [x9]
; CHECK-O3-NEXT: str x9, [x0]
; CHECK-O3-NEXT: ldr x8, [x8, :lo12:global_ptr]
; CHECK-O3-NEXT: adrp x9, global_int
; CHECK-O3-NEXT: add x2, x8, #16
; CHECK-O3-NEXT: mov w0, #10
; CHECK-O3-NEXT: ldr w1, [x9, :lo12:global_int]
; CHECK-O3-NEXT: b externalfunc
; CHECK-O3-NEXT: .LBB0_2:
; CHECK-O3-NEXT: mov x8, xzr
; CHECK-O3-NEXT: adrp x9, global_int
; CHECK-O3-NEXT: add x2, x8, #16
; CHECK-O3-NEXT: mov w0, #10
; CHECK-O3-NEXT: ldr w1, [x9, :lo12:global_int]
; CHECK-O3-NEXT: b externalfunc
entry:
%0 = load %a*, %a** @global_ptr, align 8
%cmp.not = icmp eq %a* %0, null
br i1 %cmp.not, label %if.end, label %if.then
if.then: ; preds = %entry
%1 = getelementptr inbounds %a, %a* %0, i64 0, i32 0
%2 = load %a*, %a** %1, align 8
store %a* %2, %a** %arg, align 8
%.pre = load %a*, %a** @global_ptr, align 8
br label %if.end
if.end: ; preds = %if.then, %entry
%3 = phi %a* [ %.pre, %if.then ], [ null, %entry ]
%4 = load i32, i32* @global_int, align 4
%5 = getelementptr inbounds %a, %a* %3, i64 0, i32 2, i32 0, i32 1
tail call void @externalfunc(i32 10, i32 %4, i32* nonnull %5)
ret void
}
declare dso_local void @externalfunc(i32, i32, i32*)
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