1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2 2; RUN: llc < %s | FileCheck %s 3 4; Test case to demonstrate a bug where calls to OUTLINED_FUNCTION_1 are 5; inserted at a point where LR is live. 6 7target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128" 8target triple = "aarch64" 9 10define hidden void @_ZTv0_n24_N2C6D1Ev(ptr %this) minsize sspreq "target-features"="+harden-sls-retbr" { 11; CHECK-LABEL: _ZTv0_n24_N2C6D1Ev: 12; CHECK: // %bb.0: // %entry 13; CHECK-NEXT: sub sp, sp, #32 14; CHECK-NEXT: str x30, [sp, #16] // 8-byte Folded Spill 15; CHECK-NEXT: .cfi_def_cfa_offset 32 16; CHECK-NEXT: .cfi_offset w30, -16 17; CHECK-NEXT: bl OUTLINED_FUNCTION_0 18; CHECK-NEXT: b.ne .LBB0_2 19; CHECK-NEXT: // %bb.1: // %entry 20; CHECK-NEXT: ldr x30, [sp, #16] // 8-byte Folded Reload 21; CHECK-NEXT: add x0, x0, x8 22; CHECK-NEXT: add sp, sp, #32 23; CHECK-NEXT: b _ZN2C6D1Ev 24; CHECK-NEXT: dsb sy 25; CHECK-NEXT: isb 26; CHECK-NEXT: .LBB0_2: // %entry 27; CHECK-NEXT: bl __stack_chk_fail 28entry: 29 %0 = load ptr, ptr %this, align 8 30 %1 = getelementptr inbounds i8, ptr %0, i64 -24 31 %2 = load i64, ptr %1, align 8 32 %3 = getelementptr inbounds i8, ptr %this, i64 %2 33 tail call void @_ZN2C6D1Ev(ptr %3) 34 ret void 35} 36 37; 38define hidden void @_ZTv0_n24_N2C6D0Ev(ptr %this) minsize sspreq "target-features"="+harden-sls-retbr" { 39; CHECK-LABEL: _ZTv0_n24_N2C6D0Ev: 40; CHECK: // %bb.0: // %entry 41; CHECK-NEXT: sub sp, sp, #32 42; CHECK-NEXT: str x30, [sp, #16] // 8-byte Folded Spill 43; CHECK-NEXT: .cfi_def_cfa_offset 32 44; CHECK-NEXT: .cfi_offset w30, -16 45; CHECK-NEXT: bl OUTLINED_FUNCTION_0 46; CHECK-NEXT: b.ne .LBB1_2 47; CHECK-NEXT: // %bb.1: // %entry 48; CHECK-NEXT: ldr x30, [sp, #16] // 8-byte Folded Reload 49; CHECK-NEXT: add x0, x0, x8 50; CHECK-NEXT: add sp, sp, #32 51; CHECK-NEXT: b _ZN2C6D0Ev 52; CHECK-NEXT: dsb sy 53; CHECK-NEXT: isb 54; CHECK-NEXT: .LBB1_2: // %entry 55; CHECK-NEXT: bl __stack_chk_fail 56entry: 57 %0 = load ptr, ptr %this, align 8 58 %1 = getelementptr inbounds i8, ptr %0, i64 -24 59 %2 = load i64, ptr %1, align 8 60 %3 = getelementptr inbounds i8, ptr %this, i64 %2 61 tail call void @_ZN2C6D0Ev(ptr %3) 62 ret void 63} 64 65define hidden void @_ZTv0_n24_N3C10D1Ev(ptr %this) minsize sspreq "target-features"="+harden-sls-retbr" { 66; CHECK-LABEL: _ZTv0_n24_N3C10D1Ev: 67; CHECK: // %bb.0: // %entry 68; CHECK-NEXT: sub sp, sp, #32 69; CHECK-NEXT: str x30, [sp, #16] // 8-byte Folded Spill 70; CHECK-NEXT: .cfi_def_cfa_offset 32 71; CHECK-NEXT: .cfi_offset w30, -16 72; CHECK-NEXT: bl OUTLINED_FUNCTION_0 73; CHECK-NEXT: b.ne .LBB2_2 74; CHECK-NEXT: // %bb.1: // %entry 75; CHECK-NEXT: ldr x30, [sp, #16] // 8-byte Folded Reload 76; CHECK-NEXT: add x0, x0, x8 77; CHECK-NEXT: add sp, sp, #32 78; CHECK-NEXT: b _ZN3C10D1Ev 79; CHECK-NEXT: dsb sy 80; CHECK-NEXT: isb 81; CHECK-NEXT: .LBB2_2: // %entry 82; CHECK-NEXT: bl __stack_chk_fail 83entry: 84 %0 = load ptr, ptr %this, align 8 85 %1 = getelementptr inbounds i8, ptr %0, i64 -24 86 %2 = load i64, ptr %1, align 8 87 %3 = getelementptr inbounds i8, ptr %this, i64 %2 88 tail call void @_ZN3C10D1Ev(ptr %3) 89 ret void 90} 91 92define hidden void @_ZTv0_n24_N3C10D0Ev(ptr %this) minsize sspreq "target-features"="+harden-sls-retbr" { 93; CHECK-LABEL: _ZTv0_n24_N3C10D0Ev: 94; CHECK: // %bb.0: // %entry 95; CHECK-NEXT: sub sp, sp, #32 96; CHECK-NEXT: str x30, [sp, #16] // 8-byte Folded Spill 97; CHECK-NEXT: .cfi_def_cfa_offset 32 98; CHECK-NEXT: .cfi_offset w30, -16 99; CHECK-NEXT: bl OUTLINED_FUNCTION_0 100; CHECK-NEXT: b.ne .LBB3_2 101; CHECK-NEXT: // %bb.1: // %entry 102; CHECK-NEXT: ldr x30, [sp, #16] // 8-byte Folded Reload 103; CHECK-NEXT: add x0, x0, x8 104; CHECK-NEXT: add sp, sp, #32 105; CHECK-NEXT: b _ZN3C10D0Ev 106; CHECK-NEXT: dsb sy 107; CHECK-NEXT: isb 108; CHECK-NEXT: .LBB3_2: // %entry 109; CHECK-NEXT: bl __stack_chk_fail 110entry: 111 %0 = load ptr, ptr %this, align 8 112 %1 = getelementptr inbounds i8, ptr %0, i64 -24 113 %2 = load i64, ptr %1, align 8 114 %3 = getelementptr inbounds i8, ptr %this, i64 %2 115 tail call void @_ZN3C10D0Ev(ptr %3) 116 ret void 117} 118 119declare void @_ZN2C6D1Ev(ptr %this) 120declare void @_ZN3C10D1Ev(ptr %this) 121declare void @_ZN2C6D0Ev(ptr %this) 122declare void @_ZN3C10D0Ev(ptr %this) 123