# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py # RUN: llc -mtriple aarch64-unknown-unknown -run-pass=instruction-select -global-isel-abort=1 -verify-machineinstrs %s -o - | FileCheck %s # # Verify that when a function has the speculative_load_hardening attribute we # never produce a CB(N)Z or TB(N)Z. # --- | define void @no_tbnz() speculative_load_hardening { ret void } define void @no_cbz() speculative_load_hardening { ret void } define void @fp() speculative_load_hardening { ret void } ... --- name: no_tbnz legalized: true regBankSelected: true body: | ; CHECK-LABEL: name: no_tbnz ; CHECK: bb.0: ; CHECK: successors: %bb.0(0x40000000), %bb.1(0x40000000) ; CHECK: %reg:gpr32 = COPY $w0 ; CHECK: [[ANDSWri:%[0-9]+]]:gpr32 = ANDSWri %reg, 1, implicit-def $nzcv ; CHECK: Bcc 0, %bb.1, implicit $nzcv ; CHECK: B %bb.0 ; CHECK: bb.1: ; CHECK: RET_ReallyLR bb.0: liveins: $w0 successors: %bb.0, %bb.1 %reg:gpr(s32) = COPY $w0 G_BRCOND %reg, %bb.1 G_BR %bb.0 bb.1: RET_ReallyLR ... --- name: no_cbz legalized: true regBankSelected: true body: | ; CHECK-LABEL: name: no_cbz ; CHECK: bb.0: ; CHECK: successors: %bb.0(0x40000000), %bb.1(0x40000000) ; CHECK: %reg:gpr32sp = COPY $w0 ; CHECK: [[SUBSWri:%[0-9]+]]:gpr32 = SUBSWri %reg, 0, 0, implicit-def $nzcv ; CHECK: Bcc 0, %bb.1, implicit $nzcv ; CHECK: B %bb.0 ; CHECK: bb.1: ; CHECK: RET_ReallyLR bb.0: liveins: $w0 successors: %bb.0, %bb.1 %reg:gpr(s32) = COPY $w0 %zero:gpr(s32) = G_CONSTANT i32 0 %cmp:gpr(s32) = G_ICMP intpred(eq), %reg, %zero G_BRCOND %cmp, %bb.1 G_BR %bb.0 bb.1: RET_ReallyLR ... --- name: fp legalized: true regBankSelected: true body: | ; CHECK-LABEL: name: fp ; CHECK: bb.0: ; CHECK: successors: %bb.0(0x40000000), %bb.1(0x40000000) ; CHECK: %reg0:fpr32 = COPY $s0 ; CHECK: %reg1:fpr32 = COPY $s1 ; CHECK: FCMPSrr %reg0, %reg1, implicit-def $nzcv ; CHECK: Bcc 0, %bb.1, implicit $nzcv ; CHECK: B %bb.0 ; CHECK: bb.1: ; CHECK: RET_ReallyLR bb.0: liveins: $s0, $s1 successors: %bb.0, %bb.1 %reg0:fpr(s32) = COPY $s0 %reg1:fpr(s32) = COPY $s1 %cmp:gpr(s32) = G_FCMP floatpred(oeq), %reg0, %reg1 G_BRCOND %cmp, %bb.1 G_BR %bb.0 bb.1: RET_ReallyLR