; 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 x8, [x0] ; CHECK-NEXT: mov w9, wzr ; CHECK-NEXT: add x8, x8, #9, lsl #12 // =36864 ; CHECK-NEXT: cmp w9, w1 ; CHECK-NEXT: b.ge .LBB0_2 ; CHECK-NEXT: .LBB0_1: // %while_body ; CHECK-NEXT: // =>This Inner Loop Header: Depth=1 ; CHECK-NEXT: str w9, [x8, #3140] ; CHECK-NEXT: add w9, w9, #1 ; CHECK-NEXT: str w9, [x8, #3136] ; CHECK-NEXT: cmp w9, 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, wzr ; CHECK-NEXT: add x8, x0, #9, lsl #12 // =36864 ; CHECK-NEXT: cmp w9, w1 ; CHECK-NEXT: b.ge .LBB1_3 ; CHECK-NEXT: .LBB1_2: // %while_body ; CHECK-NEXT: // =>This Inner Loop Header: Depth=1 ; CHECK-NEXT: str w9, [x8, #3140] ; CHECK-NEXT: add w9, w9, #1 ; CHECK-NEXT: str w9, [x8, #3136] ; CHECK-NEXT: cmp w9, 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 x8, x1, x0, ne ; CHECK-NEXT: cbz x8, .LBB2_3 ; CHECK-NEXT: // %bb.1: // %while_cond.preheader ; CHECK-NEXT: mov w9, wzr ; CHECK-NEXT: add x8, x8, #9, lsl #12 // =36864 ; CHECK-NEXT: cmp w9, w3 ; CHECK-NEXT: b.ge .LBB2_3 ; CHECK-NEXT: .LBB2_2: // %while_body ; CHECK-NEXT: // =>This Inner Loop Header: Depth=1 ; CHECK-NEXT: str w9, [x8, #3140] ; CHECK-NEXT: add w9, w9, #1 ; CHECK-NEXT: str w9, [x8, #3136] ; CHECK-NEXT: cmp w9, 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: str x30, [sp, #-32]! // 8-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 w30, -32 ; CHECK-NEXT: .cfi_remember_state ; CHECK-NEXT: mov w19, w0 ; CHECK-NEXT: mov w20, wzr ; 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, #9, lsl #12 // =36864 ; CHECK-NEXT: cmp w20, w19 ; CHECK-NEXT: str wzr, [x8, #3136] ; CHECK-NEXT: b.ge .LBB3_4 ; CHECK-NEXT: // %bb.3: // %while_body ; CHECK-NEXT: // in Loop: Header=BB3_1 Depth=1 ; CHECK-NEXT: str w20, [x8, #3140] ; CHECK-NEXT: add w20, w20, #1 ; CHECK-NEXT: str w20, [x8, #3136] ; CHECK-NEXT: b .LBB3_1 ; CHECK-NEXT: .LBB3_4: // %while_end ; CHECK-NEXT: ldp x20, x19, [sp, #16] // 16-byte Folded Reload ; CHECK-NEXT: ldr x30, [sp], #32 // 8-byte Folded Reload ; CHECK-NEXT: .cfi_def_cfa_offset 0 ; CHECK-NEXT: .cfi_restore w19 ; CHECK-NEXT: .cfi_restore w20 ; 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 x8, [x0] ; CHECK-NEXT: mov w9, wzr ; CHECK-NEXT: add x8, x8, #19, lsl #12 // =77824 ; CHECK-NEXT: cmp w9, w1 ; CHECK-NEXT: b.ge .LBB4_2 ; CHECK-NEXT: .LBB4_1: // %while_body ; CHECK-NEXT: // =>This Inner Loop Header: Depth=1 ; CHECK-NEXT: str w9, [x8, #2180] ; CHECK-NEXT: add w9, w9, #1 ; CHECK-NEXT: str w9, [x8, #2176] ; CHECK-NEXT: cmp w9, 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 }