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https://github.com/RPCS3/llvm-mirror.git
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3768a6786c
This commit serializes the offset for the following operands: target index, global address, external symbol, constant pool index, and block address. llvm-svn: 244157
67 lines
2.6 KiB
YAML
67 lines
2.6 KiB
YAML
# RUN: llc -march=x86-64 -start-after branch-folder -stop-after branch-folder -o /dev/null %s | FileCheck %s
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# This test ensures that the MIR parser parses the external symbol machine
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# operands correctly.
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--- |
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@__stack_chk_guard = external global i8*
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define i32 @test(i32 %n) #0 {
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entry:
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%StackGuardSlot = alloca i8*
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%StackGuard = load i8*, i8** @__stack_chk_guard
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call void @llvm.stackprotector(i8* %StackGuard, i8** %StackGuardSlot)
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%a = alloca [128 x i32], align 16
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%idxprom = sext i32 %n to i64
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%arrayidx = getelementptr inbounds [128 x i32], [128 x i32]* %a, i64 0, i64 %idxprom
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%0 = load i32, i32* %arrayidx, align 4
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call void @llvm.stackprotectorcheck(i8** @__stack_chk_guard)
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ret i32 %0
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}
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declare void @llvm.stackprotector(i8*, i8**) #1
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declare void @llvm.stackprotectorcheck(i8**) #1
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attributes #0 = { ssp "stack-protector-buffer-size"="8" }
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attributes #1 = { nounwind }
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...
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---
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name: test
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tracksRegLiveness: true
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body:
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- id: 0
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name: entry
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successors: [ '%bb.1.entry', '%bb.2.entry' ]
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liveins: [ '%edi' ]
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instructions:
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- '%rsp = SUB64ri32 %rsp, 520, implicit-def %eflags'
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- '%rcx = LOAD_STACK_GUARD'
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- 'MOV64mr %rsp, 1, _, 512, _, %rcx'
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- '%rax = MOVSX64rr32 %edi'
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- '%eax = MOV32rm %rsp, 4, %rax, 0, _'
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- 'CMP64rm %rcx, %rsp, 1, _, 512, _, implicit-def %eflags'
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- 'JNE_1 %bb.2.entry, implicit %eflags'
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- id: 1
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name: entry
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liveins: [ '%eax' ]
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instructions:
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- '%rsp = ADD64ri32 %rsp, 520, implicit-def %eflags'
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- 'RETQ %eax'
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- id: 2
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name: entry
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instructions:
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# CHECK: CALL64pcrel32 $__stack_chk_fail,
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# CHECK-NEXT: CALL64pcrel32 $__stack_chk_fail.09-_,
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# CHECK-NEXT: CALL64pcrel32 $"__stack_chk_fail$",
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# CHECK-NEXT: CALL64pcrel32 $"$Quoted \09 External symbol \11 ",
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# CHECK-NEXT: CALL64pcrel32 $__stack_chk_fail + 2,
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# CHECK-NEXT: CALL64pcrel32 $" check stack - 20" - 20,
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- 'CALL64pcrel32 $__stack_chk_fail, csr_64, implicit %rsp, implicit-def %rsp'
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- 'CALL64pcrel32 $__stack_chk_fail.09-_, csr_64, implicit %rsp, implicit-def %rsp'
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- 'CALL64pcrel32 $__stack_chk_fail$, csr_64, implicit %rsp, implicit-def %rsp'
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- 'CALL64pcrel32 $"$Quoted \09 External symbol \11 ", csr_64, implicit %rsp, implicit-def %rsp'
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- 'CALL64pcrel32 $__stack_chk_fail + 2, csr_64, implicit %rsp, implicit-def %rsp'
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- 'CALL64pcrel32 $" check stack - 20" - 20, csr_64, implicit %rsp, implicit-def %rsp'
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...
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