123 lines · plain
1; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 52; Make sure MIR generated for conditional branch with unpredictable metadata has unpredictable flag.3; RUN: llc -mtriple=x86_64-unknown-linux-gnu -stop-after=finalize-isel < %s | FileCheck %s4 5define void @cond_branch_1(i1 %cond) {6 ; CHECK-LABEL: name: cond_branch_17 ; CHECK: bb.0.entry:8 ; CHECK-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000)9 ; CHECK-NEXT: liveins: $edi10 ; CHECK-NEXT: {{ $}}11 ; CHECK-NEXT: [[COPY:%[0-9]+]]:gr32 = COPY $edi12 ; CHECK-NEXT: [[COPY1:%[0-9]+]]:gr8 = COPY [[COPY]].sub_8bit13 ; CHECK-NEXT: TEST8ri killed [[COPY1]], 1, implicit-def $eflags14 ; CHECK-NEXT: unpredictable JCC_1 %bb.2, 4, implicit $eflags15 ; CHECK-NEXT: JMP_1 %bb.116 ; CHECK-NEXT: {{ $}}17 ; CHECK-NEXT: bb.1.then:18 ; CHECK-NEXT: ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp19 ; CHECK-NEXT: CALL64pcrel32 target-flags(x86-plt) @f1, csr_64, implicit $rsp, implicit $ssp, implicit-def $rsp, implicit-def $ssp20 ; CHECK-NEXT: ADJCALLSTACKUP64 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp21 ; CHECK-NEXT: RET 022 ; CHECK-NEXT: {{ $}}23 ; CHECK-NEXT: bb.2.else:24 ; CHECK-NEXT: ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp25 ; CHECK-NEXT: CALL64pcrel32 target-flags(x86-plt) @f2, csr_64, implicit $rsp, implicit $ssp, implicit-def $rsp, implicit-def $ssp26 ; CHECK-NEXT: ADJCALLSTACKUP64 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp27 ; CHECK-NEXT: RET 028entry:29 br i1 %cond, label %then, label %else, !unpredictable !030then:31 call void @f1()32 ret void33else:34 call void @f2()35 ret void36}37 38define void @cond_branch_2(double %a, double %b, i32 %c, i32 %d) nounwind {39 ; CHECK-LABEL: name: cond_branch_240 ; CHECK: bb.0 (%ir-block.0):41 ; CHECK-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000)42 ; CHECK-NEXT: liveins: $xmm0, $xmm1, $edi, $esi43 ; CHECK-NEXT: {{ $}}44 ; CHECK-NEXT: [[COPY:%[0-9]+]]:gr32 = COPY $esi45 ; CHECK-NEXT: [[COPY1:%[0-9]+]]:gr32 = COPY $edi46 ; CHECK-NEXT: [[COPY2:%[0-9]+]]:fr64 = COPY $xmm147 ; CHECK-NEXT: [[COPY3:%[0-9]+]]:fr64 = COPY $xmm048 ; CHECK-NEXT: nofpexcept UCOMISDrr [[COPY2]], [[COPY3]], implicit-def $eflags, implicit $mxcsr49 ; CHECK-NEXT: [[SETCCr:%[0-9]+]]:gr8 = SETCCr 3, implicit $eflags50 ; CHECK-NEXT: [[SUB32rr:%[0-9]+]]:gr32 = SUB32rr [[COPY1]], [[COPY]], implicit-def $eflags51 ; CHECK-NEXT: [[SETCCr1:%[0-9]+]]:gr8 = SETCCr 6, implicit $eflags52 ; CHECK-NEXT: [[OR8rr:%[0-9]+]]:gr8 = OR8rr [[SETCCr]], killed [[SETCCr1]], implicit-def dead $eflags53 ; CHECK-NEXT: TEST8rr [[OR8rr]], [[OR8rr]], implicit-def $eflags54 ; CHECK-NEXT: unpredictable JCC_1 %bb.2, 5, implicit $eflags55 ; CHECK-NEXT: JMP_1 %bb.156 ; CHECK-NEXT: {{ $}}57 ; CHECK-NEXT: bb.1.true:58 ; CHECK-NEXT: ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp59 ; CHECK-NEXT: CALL64pcrel32 target-flags(x86-plt) @f1, csr_64, implicit $rsp, implicit $ssp, implicit-def $rsp, implicit-def $ssp60 ; CHECK-NEXT: ADJCALLSTACKUP64 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp61 ; CHECK-NEXT: RET 062 ; CHECK-NEXT: {{ $}}63 ; CHECK-NEXT: bb.2.false:64 ; CHECK-NEXT: ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp65 ; CHECK-NEXT: CALL64pcrel32 target-flags(x86-plt) @f2, csr_64, implicit $rsp, implicit $ssp, implicit-def $rsp, implicit-def $ssp66 ; CHECK-NEXT: ADJCALLSTACKUP64 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp67 ; CHECK-NEXT: RET 068 %cond1 = fcmp ugt double %a, %b69 %cond2 = icmp ugt i32 %c, %d70 %cond = and i1 %cond1, %cond271 br i1 %cond, label %true, label %false, !unpredictable !072true:73 call void @f1()74 ret void75false:76 call void @f2()77 ret void78}79 80define void @isint_branch(double %d) nounwind {81 ; CHECK-LABEL: name: isint_branch82 ; CHECK: bb.0 (%ir-block.0):83 ; CHECK-NEXT: successors: %bb.1(0x50000000), %bb.2(0x30000000)84 ; CHECK-NEXT: liveins: $xmm085 ; CHECK-NEXT: {{ $}}86 ; CHECK-NEXT: [[COPY:%[0-9]+]]:fr64 = COPY $xmm087 ; CHECK-NEXT: [[COPY1:%[0-9]+]]:vr128 = COPY [[COPY]]88 ; CHECK-NEXT: [[CVTTPD2DQrr:%[0-9]+]]:vr128 = nofpexcept CVTTPD2DQrr killed [[COPY1]], implicit $mxcsr89 ; CHECK-NEXT: [[CVTDQ2PDrr:%[0-9]+]]:vr128 = CVTDQ2PDrr killed [[CVTTPD2DQrr]]90 ; CHECK-NEXT: [[COPY2:%[0-9]+]]:fr64 = COPY killed [[CVTDQ2PDrr]]91 ; CHECK-NEXT: nofpexcept UCOMISDrr [[COPY]], killed [[COPY2]], implicit-def $eflags, implicit $mxcsr92 ; CHECK-NEXT: unpredictable JCC_1 %bb.2, 5, implicit $eflags93 ; CHECK-NEXT: unpredictable JCC_1 %bb.2, 10, implicit $eflags94 ; CHECK-NEXT: JMP_1 %bb.195 ; CHECK-NEXT: {{ $}}96 ; CHECK-NEXT: bb.1.true:97 ; CHECK-NEXT: ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp98 ; CHECK-NEXT: CALL64pcrel32 target-flags(x86-plt) @f1, csr_64, implicit $rsp, implicit $ssp, implicit-def $rsp, implicit-def $ssp99 ; CHECK-NEXT: ADJCALLSTACKUP64 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp100 ; CHECK-NEXT: RET 0101 ; CHECK-NEXT: {{ $}}102 ; CHECK-NEXT: bb.2.false:103 ; CHECK-NEXT: ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp104 ; CHECK-NEXT: CALL64pcrel32 target-flags(x86-plt) @f2, csr_64, implicit $rsp, implicit $ssp, implicit-def $rsp, implicit-def $ssp105 ; CHECK-NEXT: ADJCALLSTACKUP64 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp106 ; CHECK-NEXT: RET 0107 %i = fptosi double %d to i32108 %e = sitofp i32 %i to double109 %c = fcmp oeq double %d, %e110 br i1 %c, label %true, label %false, !unpredictable !0111true:112 call void @f1()113 ret void114false:115 call void @f2()116 ret void117}118 119declare void @f1()120declare void @f2()121 122!0 = !{}123