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1# RUN: llc -mtriple=x86_64 -run-pass none -o - %s | FileCheck %s2# This test ensures that the MIR parser parses the external symbol machine3# operands correctly.4 5--- |6 @__stack_chk_guard = external global ptr7 8 define i32 @test(i32 %n) #0 {9 entry:10 %StackGuardSlot = alloca ptr11 %StackGuard = load ptr, ptr @__stack_chk_guard12 call void @llvm.stackprotector(ptr %StackGuard, ptr %StackGuardSlot)13 %a = alloca [128 x i32], align 1614 %idxprom = sext i32 %n to i6415 %arrayidx = getelementptr inbounds [128 x i32], ptr %a, i64 0, i64 %idxprom16 %0 = load i32, ptr %arrayidx, align 417 call void @llvm.stackprotectorcheck(ptr @__stack_chk_guard)18 ret i32 %019 }20 21 declare void @llvm.stackprotector(ptr, ptr) #122 23 declare void @llvm.stackprotectorcheck(ptr) #124 25 attributes #0 = { ssp "stack-protector-buffer-size"="8" }26 attributes #1 = { nounwind }27 28...29---30name: test31tracksRegLiveness: true32body: |33 bb.0.entry:34 successors: %bb.1.entry, %bb.2.entry35 liveins: $edi36 37 $rsp = SUB64ri32 $rsp, 520, implicit-def $eflags38 $rcx = LOAD_STACK_GUARD39 MOV64mr $rsp, 1, _, 512, _, $rcx40 $rax = MOVSX64rr32 $edi41 $eax = MOV32rm $rsp, 4, $rax, 0, _42 CMP64rm $rcx, $rsp, 1, _, 512, _, implicit-def $eflags43 JCC_1 %bb.2.entry, 5, implicit $eflags44 45 bb.1.entry:46 liveins: $eax47 48 $rsp = ADD64ri32 $rsp, 520, implicit-def $eflags49 RET64 $eax50 51 bb.2.entry:52 ; CHECK: CALL64pcrel32 &__stack_chk_fail,53 ; CHECK-NEXT: CALL64pcrel32 &__stack_chk_fail.09-_,54 ; CHECK-NEXT: CALL64pcrel32 &"__stack_chk_fail$",55 ; CHECK-NEXT: CALL64pcrel32 &"$Quoted \09 External symbol \11 ",56 ; CHECK-NEXT: CALL64pcrel32 &__stack_chk_fail + 2,57 ; CHECK-NEXT: CALL64pcrel32 &" check stack - 20" - 20,58 CALL64pcrel32 &__stack_chk_fail, csr_64, implicit $rsp, implicit-def $rsp59 CALL64pcrel32 &__stack_chk_fail.09-_, csr_64, implicit $rsp, implicit-def $rsp60 CALL64pcrel32 &__stack_chk_fail$, csr_64, implicit $rsp, implicit-def $rsp61 CALL64pcrel32 &"$Quoted \09 External symbol \11 ", csr_64, implicit $rsp, implicit-def $rsp62 CALL64pcrel32 &__stack_chk_fail + 2, csr_64, implicit $rsp, implicit-def $rsp63 CALL64pcrel32 &" check stack - 20" - 20, csr_64, implicit $rsp, implicit-def $rsp64...65