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|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=aarch64-linux-gnu -verify-machineinstrs -o - %s | FileCheck %s
%struct_type = type { [10000 x i32], i32, i32 }
define void @test1(ptr %s, i32 %n) {
; CHECK-LABEL: test1:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: ldr x9, [x0]
; CHECK-NEXT: mov w10, #40000 // =0x9c40
; CHECK-NEXT: mov w8, wzr
; CHECK-NEXT: add x9, x9, x10
; CHECK-NEXT: cmp w8, w1
; CHECK-NEXT: b.ge .LBB0_2
; CHECK-NEXT: .LBB0_1: // %while_body
; CHECK-NEXT: // =>This Inner Loop Header: Depth=1
; CHECK-NEXT: add w10, w8, #1
; CHECK-NEXT: stp w10, w8, [x9]
; CHECK-NEXT: mov w8, w10
; CHECK-NEXT: cmp w8, w1
; CHECK-NEXT: b.lt .LBB0_1
; CHECK-NEXT: .LBB0_2: // %while_end
; CHECK-NEXT: ret
entry:
%struct = load ptr, ptr %s
br label %while_cond
while_cond:
%phi = phi i32 [ 0, %entry ], [ %i, %while_body ]
%gep0 = getelementptr %struct_type, ptr %struct, i64 0, i32 1
%gep1 = getelementptr %struct_type, ptr %struct, i64 0, i32 2
%cmp = icmp slt i32 %phi, %n
br i1 %cmp, label %while_body, label %while_end
while_body:
%i = add i32 %phi, 1
store i32 %i, ptr %gep0
store i32 %phi, ptr %gep1
br label %while_cond
while_end:
ret void
}
define void @test2(ptr %struct, i32 %n) {
; CHECK-LABEL: test2:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: cbz x0, .LBB1_3
; CHECK-NEXT: // %bb.1: // %while_cond.preheader
; CHECK-NEXT: mov w9, #40000 // =0x9c40
; CHECK-NEXT: mov w8, wzr
; CHECK-NEXT: add x9, x0, x9
; CHECK-NEXT: cmp w8, w1
; CHECK-NEXT: b.ge .LBB1_3
; CHECK-NEXT: .LBB1_2: // %while_body
; CHECK-NEXT: // =>This Inner Loop Header: Depth=1
; CHECK-NEXT: add w10, w8, #1
; CHECK-NEXT: stp w10, w8, [x9]
; CHECK-NEXT: mov w8, w10
; CHECK-NEXT: cmp w8, w1
; CHECK-NEXT: b.lt .LBB1_2
; CHECK-NEXT: .LBB1_3: // %while_end
; CHECK-NEXT: ret
entry:
%cmp = icmp eq ptr %struct, null
br i1 %cmp, label %while_end, label %while_cond
while_cond:
%phi = phi i32 [ 0, %entry ], [ %i, %while_body ]
%gep0 = getelementptr %struct_type, ptr %struct, i64 0, i32 1
%gep1 = getelementptr %struct_type, ptr %struct, i64 0, i32 2
%cmp1 = icmp slt i32 %phi, %n
br i1 %cmp1, label %while_body, label %while_end
while_body:
%i = add i32 %phi, 1
store i32 %i, ptr %gep0
store i32 %phi, ptr %gep1
br label %while_cond
while_end:
ret void
}
define void @test3(ptr %s1, ptr %s2, i1 %cond, i32 %n) {
; CHECK-LABEL: test3:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: tst w2, #0x1
; CHECK-NEXT: csel x9, x1, x0, ne
; CHECK-NEXT: cbz x9, .LBB2_3
; CHECK-NEXT: // %bb.1: // %while_cond.preheader
; CHECK-NEXT: mov w10, #40000 // =0x9c40
; CHECK-NEXT: mov w8, wzr
; CHECK-NEXT: add x9, x9, x10
; CHECK-NEXT: cmp w8, w3
; CHECK-NEXT: b.ge .LBB2_3
; CHECK-NEXT: .LBB2_2: // %while_body
; CHECK-NEXT: // =>This Inner Loop Header: Depth=1
; CHECK-NEXT: add w10, w8, #1
; CHECK-NEXT: stp w10, w8, [x9]
; CHECK-NEXT: mov w8, w10
; CHECK-NEXT: cmp w8, w3
; CHECK-NEXT: b.lt .LBB2_2
; CHECK-NEXT: .LBB2_3: // %while_end
; CHECK-NEXT: ret
entry:
br i1 %cond, label %if_true, label %if_end
if_true:
br label %if_end
if_end:
%struct = phi ptr [ %s1, %entry ], [ %s2, %if_true ]
%cmp = icmp eq ptr %struct, null
br i1 %cmp, label %while_end, label %while_cond
while_cond:
%phi = phi i32 [ 0, %if_end ], [ %i, %while_body ]
%gep0 = getelementptr %struct_type, ptr %struct, i64 0, i32 1
%gep1 = getelementptr %struct_type, ptr %struct, i64 0, i32 2
%cmp1 = icmp slt i32 %phi, %n
br i1 %cmp1, label %while_body, label %while_end
while_body:
%i = add i32 %phi, 1
store i32 %i, ptr %gep0
store i32 %phi, ptr %gep1
br label %while_cond
while_end:
ret void
}
declare ptr @foo()
declare void @foo2()
define void @test4(i32 %n) uwtable personality ptr @__FrameHandler {
; CHECK-LABEL: test4:
; CHECK: .Lfunc_begin0:
; CHECK-NEXT: .cfi_startproc
; CHECK-NEXT: .cfi_personality 156, DW.ref.__FrameHandler
; CHECK-NEXT: .cfi_lsda 28, .Lexception0
; CHECK-NEXT: // %bb.0: // %entry
; CHECK-NEXT: stp x30, x21, [sp, #-32]! // 16-byte Folded Spill
; CHECK-NEXT: .cfi_def_cfa_offset 32
; CHECK-NEXT: stp x20, x19, [sp, #16] // 16-byte Folded Spill
; CHECK-NEXT: .cfi_offset w19, -8
; CHECK-NEXT: .cfi_offset w20, -16
; CHECK-NEXT: .cfi_offset w21, -24
; CHECK-NEXT: .cfi_offset w30, -32
; CHECK-NEXT: .cfi_remember_state
; CHECK-NEXT: mov w19, w0
; CHECK-NEXT: mov w20, wzr
; CHECK-NEXT: mov w21, #40000 // =0x9c40
; CHECK-NEXT: .LBB3_1: // %while_cond
; CHECK-NEXT: // =>This Inner Loop Header: Depth=1
; CHECK-NEXT: .Ltmp0:
; CHECK-NEXT: bl foo
; CHECK-NEXT: .Ltmp1:
; CHECK-NEXT: // %bb.2: // %while_cond_x.split
; CHECK-NEXT: // in Loop: Header=BB3_1 Depth=1
; CHECK-NEXT: add x8, x0, x21
; CHECK-NEXT: cmp w20, w19
; CHECK-NEXT: str wzr, [x8]
; CHECK-NEXT: b.ge .LBB3_4
; CHECK-NEXT: // %bb.3: // %while_body
; CHECK-NEXT: // in Loop: Header=BB3_1 Depth=1
; CHECK-NEXT: add w9, w20, #1
; CHECK-NEXT: stp w9, w20, [x8]
; CHECK-NEXT: mov w20, w9
; CHECK-NEXT: b .LBB3_1
; CHECK-NEXT: .LBB3_4: // %while_end
; CHECK-NEXT: ldp x20, x19, [sp, #16] // 16-byte Folded Reload
; CHECK-NEXT: ldp x30, x21, [sp], #32 // 16-byte Folded Reload
; CHECK-NEXT: .cfi_def_cfa_offset 0
; CHECK-NEXT: .cfi_restore w19
; CHECK-NEXT: .cfi_restore w20
; CHECK-NEXT: .cfi_restore w21
; CHECK-NEXT: .cfi_restore w30
; CHECK-NEXT: ret
; CHECK-NEXT: .LBB3_5: // %cleanup
; CHECK-NEXT: .cfi_restore_state
; CHECK-NEXT: .Ltmp2:
; CHECK-NEXT: mov x19, x0
; CHECK-NEXT: bl foo2
; CHECK-NEXT: mov x0, x19
; CHECK-NEXT: bl _Unwind_Resume
entry:
br label %while_cond
while_cond:
%phi = phi i32 [ 0, %entry ], [ %i, %while_body ]
%struct = invoke ptr @foo() to label %while_cond_x unwind label %cleanup
while_cond_x:
%gep0 = getelementptr %struct_type, ptr %struct, i64 0, i32 1
%gep1 = getelementptr %struct_type, ptr %struct, i64 0, i32 2
store i32 0, ptr %gep0
%cmp = icmp slt i32 %phi, %n
br i1 %cmp, label %while_body, label %while_end
while_body:
%i = add i32 %phi, 1
store i32 %i, ptr %gep0
store i32 %phi, ptr %gep1
br label %while_cond
while_end:
ret void
cleanup:
%x10 = landingpad { ptr, i32 }
cleanup
call void @foo2()
resume { ptr, i32 } %x10
}
declare i32 @__FrameHandler(...)
define void @test5(ptr %s, i32 %n) {
; CHECK-LABEL: test5:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: ldr x9, [x0]
; CHECK-NEXT: mov w8, wzr
; CHECK-NEXT: add x9, x9, #19, lsl #12 // =77824
; CHECK-NEXT: add x9, x9, #2176
; CHECK-NEXT: cmp w8, w1
; CHECK-NEXT: b.ge .LBB4_2
; CHECK-NEXT: .LBB4_1: // %while_body
; CHECK-NEXT: // =>This Inner Loop Header: Depth=1
; CHECK-NEXT: add w10, w8, #1
; CHECK-NEXT: stp w10, w8, [x9]
; CHECK-NEXT: mov w8, w10
; CHECK-NEXT: cmp w8, w1
; CHECK-NEXT: b.lt .LBB4_1
; CHECK-NEXT: .LBB4_2: // %while_end
; CHECK-NEXT: ret
entry:
%struct = load ptr, ptr %s
br label %while_cond
while_cond:
%phi = phi i32 [ 0, %entry ], [ %i, %while_body ]
%gep0 = getelementptr [65536 x i32], ptr %struct, i64 0, i32 20000
%gep1 = getelementptr [65536 x i32], ptr %struct, i64 0, i32 20001
%cmp = icmp slt i32 %phi, %n
br i1 %cmp, label %while_body, label %while_end
while_body:
%i = add i32 %phi, 1
store i32 %i, ptr %gep0
store i32 %phi, ptr %gep1
br label %while_cond
while_end:
ret void
}
declare ptr @llvm.strip.invariant.group.p0(ptr)
define void @test_invariant_group(i32 %arg, i1 %c) {
; CHECK-LABEL: test_invariant_group:
; CHECK: // %bb.0: // %bb
; CHECK-NEXT: tbz w1, #0, .LBB5_4
; CHECK-NEXT: // %bb.1: // %bb6
; CHECK-NEXT: cbz w0, .LBB5_3
; CHECK-NEXT: .LBB5_2: // %bb1
; CHECK-NEXT: // =>This Inner Loop Header: Depth=1
; CHECK-NEXT: tbnz w1, #0, .LBB5_2
; CHECK-NEXT: b .LBB5_4
; CHECK-NEXT: .LBB5_3: // %bb2
; CHECK-NEXT: tbz w1, #0, .LBB5_5
; CHECK-NEXT: .LBB5_4: // %bb5
; CHECK-NEXT: ret
; CHECK-NEXT: .LBB5_5: // %bb4
; CHECK-NEXT: mov w8, #1 // =0x1
; CHECK-NEXT: str x8, [x8]
; CHECK-NEXT: ret
bb:
br i1 %c, label %bb6, label %bb5
bb1: ; preds = %bb6, %bb1
br i1 %c, label %bb1, label %bb5
bb2: ; preds = %bb6
%i = getelementptr inbounds i8, ptr %i7, i32 40000
br i1 %c, label %bb5, label %bb4
bb4: ; preds = %bb2
store i64 1, ptr %i, align 8
br label %bb5
bb5: ; preds = %bb4, %bb2, %bb1, %bb
ret void
bb6: ; preds = %bb
%i7 = call ptr @llvm.strip.invariant.group.p0(ptr nonnull undef)
%i8 = icmp eq i32 %arg, 0
br i1 %i8, label %bb2, label %bb1
}
|
