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225 lines
8.4 KiB
LLVM
225 lines
8.4 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -verify-machineinstrs -mtriple=aarch64-unknown-linux < %s | FileCheck %s
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; RUN: llc -verify-machineinstrs -mtriple=arm64-apple-ios < %s | FileCheck %s --check-prefix=CHECK-APPLE
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; Check CSR split can work properly for tests below.
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@a = common dso_local local_unnamed_addr global i32 0, align 4
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define dso_local signext i32 @test1(i32* %b) local_unnamed_addr {
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; CHECK-LABEL: test1:
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; CHECK: // %bb.0: // %entry
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; CHECK-NEXT: stp x30, x19, [sp, #-16]! // 16-byte Folded Spill
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; CHECK-NEXT: .cfi_def_cfa_offset 16
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; CHECK-NEXT: .cfi_offset w19, -8
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; CHECK-NEXT: .cfi_offset w30, -16
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; CHECK-NEXT: adrp x8, a
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; CHECK-NEXT: ldrsw x8, [x8, :lo12:a]
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; CHECK-NEXT: cmp x8, x0
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; CHECK-NEXT: b.eq .LBB0_2
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; CHECK-NEXT: // %bb.1: // %if.end
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; CHECK-NEXT: ldp x30, x19, [sp], #16 // 16-byte Folded Reload
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; CHECK-NEXT: ret
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; CHECK-NEXT: .LBB0_2: // %if.then
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; CHECK-NEXT: mov x19, x0
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; CHECK-NEXT: bl callVoid
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; CHECK-NEXT: mov x0, x19
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; CHECK-NEXT: ldp x30, x19, [sp], #16 // 16-byte Folded Reload
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; CHECK-NEXT: b callNonVoid
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;
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; CHECK-APPLE-LABEL: test1:
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; CHECK-APPLE: ; %bb.0: ; %entry
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; CHECK-APPLE-NEXT: stp x20, x19, [sp, #-32]! ; 16-byte Folded Spill
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; CHECK-APPLE-NEXT: stp x29, x30, [sp, #16] ; 16-byte Folded Spill
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; CHECK-APPLE-NEXT: .cfi_def_cfa_offset 32
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; CHECK-APPLE-NEXT: .cfi_offset w30, -8
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; CHECK-APPLE-NEXT: .cfi_offset w29, -16
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; CHECK-APPLE-NEXT: .cfi_offset w19, -24
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; CHECK-APPLE-NEXT: .cfi_offset w20, -32
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; CHECK-APPLE-NEXT: Lloh0:
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; CHECK-APPLE-NEXT: adrp x8, _a@PAGE
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; CHECK-APPLE-NEXT: Lloh1:
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; CHECK-APPLE-NEXT: ldrsw x8, [x8, _a@PAGEOFF]
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; CHECK-APPLE-NEXT: cmp x8, x0
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; CHECK-APPLE-NEXT: b.eq LBB0_2
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; CHECK-APPLE-NEXT: ; %bb.1: ; %if.end
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; CHECK-APPLE-NEXT: ldp x29, x30, [sp, #16] ; 16-byte Folded Reload
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; CHECK-APPLE-NEXT: ldp x20, x19, [sp], #32 ; 16-byte Folded Reload
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; CHECK-APPLE-NEXT: ret
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; CHECK-APPLE-NEXT: LBB0_2: ; %if.then
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; CHECK-APPLE-NEXT: mov x19, x0
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; CHECK-APPLE-NEXT: bl _callVoid
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; CHECK-APPLE-NEXT: ldp x29, x30, [sp, #16] ; 16-byte Folded Reload
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; CHECK-APPLE-NEXT: mov x0, x19
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; CHECK-APPLE-NEXT: ldp x20, x19, [sp], #32 ; 16-byte Folded Reload
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; CHECK-APPLE-NEXT: b _callNonVoid
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; CHECK-APPLE-NEXT: .loh AdrpLdr Lloh0, Lloh1
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entry:
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%0 = load i32, i32* @a, align 4, !tbaa !2
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%conv = sext i32 %0 to i64
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%1 = inttoptr i64 %conv to i32*
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%cmp = icmp eq i32* %1, %b
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br i1 %cmp, label %if.then, label %if.end
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if.then: ; preds = %entry
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%call = tail call signext i32 bitcast (i32 (...)* @callVoid to i32 ()*)()
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%call2 = tail call signext i32 @callNonVoid(i32* %b)
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br label %if.end
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if.end: ; preds = %if.then, %entry
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%retval.0 = phi i32 [ %call2, %if.then ], [ undef, %entry ]
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ret i32 %retval.0
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}
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declare signext i32 @callVoid(...) local_unnamed_addr
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declare signext i32 @callNonVoid(i32*) local_unnamed_addr
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define dso_local signext i32 @test2(i32* %p1) local_unnamed_addr {
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; CHECK-LABEL: test2:
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; CHECK: // %bb.0: // %entry
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; CHECK-NEXT: stp x30, x19, [sp, #-16]! // 16-byte Folded Spill
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; CHECK-NEXT: .cfi_def_cfa_offset 16
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; CHECK-NEXT: .cfi_offset w19, -8
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; CHECK-NEXT: .cfi_offset w30, -16
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; CHECK-NEXT: cbz x0, .LBB1_2
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; CHECK-NEXT: // %bb.1: // %if.end
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; CHECK-NEXT: adrp x8, a
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; CHECK-NEXT: ldrsw x8, [x8, :lo12:a]
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; CHECK-NEXT: mov x19, x0
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; CHECK-NEXT: cmp x8, x0
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; CHECK-NEXT: b.eq .LBB1_3
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; CHECK-NEXT: .LBB1_2: // %return
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; CHECK-NEXT: mov w0, wzr
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; CHECK-NEXT: ldp x30, x19, [sp], #16 // 16-byte Folded Reload
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; CHECK-NEXT: ret
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; CHECK-NEXT: .LBB1_3: // %if.then2
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; CHECK-NEXT: bl callVoid
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; CHECK-NEXT: mov x0, x19
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; CHECK-NEXT: ldp x30, x19, [sp], #16 // 16-byte Folded Reload
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; CHECK-NEXT: b callNonVoid
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;
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; CHECK-APPLE-LABEL: test2:
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; CHECK-APPLE: ; %bb.0: ; %entry
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; CHECK-APPLE-NEXT: stp x20, x19, [sp, #-32]! ; 16-byte Folded Spill
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; CHECK-APPLE-NEXT: stp x29, x30, [sp, #16] ; 16-byte Folded Spill
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; CHECK-APPLE-NEXT: .cfi_def_cfa_offset 32
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; CHECK-APPLE-NEXT: .cfi_offset w30, -8
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; CHECK-APPLE-NEXT: .cfi_offset w29, -16
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; CHECK-APPLE-NEXT: .cfi_offset w19, -24
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; CHECK-APPLE-NEXT: .cfi_offset w20, -32
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; CHECK-APPLE-NEXT: cbz x0, LBB1_2
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; CHECK-APPLE-NEXT: ; %bb.1: ; %if.end
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; CHECK-APPLE-NEXT: Lloh2:
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; CHECK-APPLE-NEXT: adrp x8, _a@PAGE
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; CHECK-APPLE-NEXT: Lloh3:
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; CHECK-APPLE-NEXT: ldrsw x8, [x8, _a@PAGEOFF]
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; CHECK-APPLE-NEXT: mov x19, x0
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; CHECK-APPLE-NEXT: cmp x8, x0
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; CHECK-APPLE-NEXT: b.eq LBB1_3
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; CHECK-APPLE-NEXT: LBB1_2: ; %return
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; CHECK-APPLE-NEXT: ldp x29, x30, [sp, #16] ; 16-byte Folded Reload
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; CHECK-APPLE-NEXT: mov w0, wzr
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; CHECK-APPLE-NEXT: ldp x20, x19, [sp], #32 ; 16-byte Folded Reload
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; CHECK-APPLE-NEXT: ret
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; CHECK-APPLE-NEXT: LBB1_3: ; %if.then2
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; CHECK-APPLE-NEXT: bl _callVoid
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; CHECK-APPLE-NEXT: ldp x29, x30, [sp, #16] ; 16-byte Folded Reload
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; CHECK-APPLE-NEXT: mov x0, x19
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; CHECK-APPLE-NEXT: ldp x20, x19, [sp], #32 ; 16-byte Folded Reload
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; CHECK-APPLE-NEXT: b _callNonVoid
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; CHECK-APPLE-NEXT: .loh AdrpLdr Lloh2, Lloh3
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entry:
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%tobool = icmp eq i32* %p1, null
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br i1 %tobool, label %return, label %if.end
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if.end: ; preds = %entry
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%0 = load i32, i32* @a, align 4, !tbaa !2
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%conv = sext i32 %0 to i64
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%1 = inttoptr i64 %conv to i32*
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%cmp = icmp eq i32* %1, %p1
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br i1 %cmp, label %if.then2, label %return
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if.then2: ; preds = %if.end
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%call = tail call signext i32 bitcast (i32 (...)* @callVoid to i32 ()*)()
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%call3 = tail call signext i32 @callNonVoid(i32* nonnull %p1)
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br label %return
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return: ; preds = %if.end, %entry, %if.then2
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%retval.0 = phi i32 [ %call3, %if.then2 ], [ 0, %entry ], [ 0, %if.end ]
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ret i32 %retval.0
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}
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define dso_local i8* @test3(i8** nocapture %p1, i8 zeroext %p2) local_unnamed_addr {
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; CHECK-LABEL: test3:
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; CHECK: // %bb.0: // %entry
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; CHECK-NEXT: str x30, [sp, #-32]! // 8-byte Folded Spill
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; CHECK-NEXT: stp x20, x19, [sp, #16] // 16-byte Folded Spill
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; CHECK-NEXT: .cfi_def_cfa_offset 32
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; CHECK-NEXT: .cfi_offset w19, -8
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; CHECK-NEXT: .cfi_offset w20, -16
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; CHECK-NEXT: .cfi_offset w30, -32
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; CHECK-NEXT: ldr x19, [x0]
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; CHECK-NEXT: cbz x19, .LBB2_2
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; CHECK-NEXT: // %bb.1: // %land.rhs
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; CHECK-NEXT: mov x20, x0
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; CHECK-NEXT: mov x0, x19
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; CHECK-NEXT: bl bar
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; CHECK-NEXT: str x0, [x20]
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; CHECK-NEXT: .LBB2_2: // %land.end
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; CHECK-NEXT: mov x0, x19
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; CHECK-NEXT: ldp x20, x19, [sp, #16] // 16-byte Folded Reload
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; CHECK-NEXT: ldr x30, [sp], #32 // 8-byte Folded Reload
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; CHECK-NEXT: ret
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;
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; CHECK-APPLE-LABEL: test3:
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; CHECK-APPLE: ; %bb.0: ; %entry
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; CHECK-APPLE-NEXT: stp x20, x19, [sp, #-32]! ; 16-byte Folded Spill
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; CHECK-APPLE-NEXT: stp x29, x30, [sp, #16] ; 16-byte Folded Spill
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; CHECK-APPLE-NEXT: .cfi_def_cfa_offset 32
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; CHECK-APPLE-NEXT: .cfi_offset w30, -8
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; CHECK-APPLE-NEXT: .cfi_offset w29, -16
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; CHECK-APPLE-NEXT: .cfi_offset w19, -24
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; CHECK-APPLE-NEXT: .cfi_offset w20, -32
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; CHECK-APPLE-NEXT: ldr x19, [x0]
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; CHECK-APPLE-NEXT: cbz x19, LBB2_2
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; CHECK-APPLE-NEXT: ; %bb.1: ; %land.rhs
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; CHECK-APPLE-NEXT: mov x20, x0
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; CHECK-APPLE-NEXT: mov x0, x19
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; CHECK-APPLE-NEXT: bl _bar
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; CHECK-APPLE-NEXT: str x0, [x20]
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; CHECK-APPLE-NEXT: LBB2_2: ; %land.end
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; CHECK-APPLE-NEXT: ldp x29, x30, [sp, #16] ; 16-byte Folded Reload
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; CHECK-APPLE-NEXT: mov x0, x19
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; CHECK-APPLE-NEXT: ldp x20, x19, [sp], #32 ; 16-byte Folded Reload
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; CHECK-APPLE-NEXT: ret
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entry:
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%0 = load i8*, i8** %p1, align 8, !tbaa !6
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%tobool = icmp eq i8* %0, null
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br i1 %tobool, label %land.end, label %land.rhs
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land.rhs: ; preds = %entry
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%call = tail call i8* @bar(i8* nonnull %0, i8 zeroext %p2)
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store i8* %call, i8** %p1, align 8, !tbaa !6
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br label %land.end
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land.end: ; preds = %entry, %land.rhs
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ret i8* %0
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}
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declare i8* @bar(i8*, i8 zeroext) local_unnamed_addr
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!llvm.module.flags = !{!0}
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!llvm.ident = !{!1}
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!0 = !{i32 1, !"wchar_size", i32 4}
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!1 = !{!"clang version 10.0.0 (trunk 367381) (llvm/trunk 367388)"}
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!2 = !{!3, !3, i64 0}
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!3 = !{!"int", !4, i64 0}
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!4 = !{!"omnipotent char", !5, i64 0}
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!5 = !{!"Simple C/C++ TBAA"}
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!6 = !{!7, !7, i64 0}
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!7 = !{!"any pointer", !4, i64 0}
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