464a7ee79e
Generalize and improve some target-specific code that emits traps after stack protector failure in SelectionDAG & GlobalIsel.
41 lines
2.8 KiB
LLVM
41 lines
2.8 KiB
LLVM
;; Make sure we emit trap instructions after stack protector checks iff NoTrapAfterNoReturn is false.
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; RUN: llc -enable-selectiondag-sp -mtriple=x86_64 -fast-isel=false -global-isel=false -verify-machineinstrs -print-after=finalize-isel \
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; RUN: -trap-unreachable=false -o /dev/null 2>&1 %s | FileCheck --check-prefixes=CHECK,NO_TRAP_UNREACHABLE %s
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; RUN: llc -enable-selectiondag-sp -mtriple=x86_64 -fast-isel=false -global-isel=false -verify-machineinstrs -print-after=finalize-isel \
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; RUN: -trap-unreachable -no-trap-after-noreturn -o /dev/null 2>&1 %s | FileCheck --check-prefixes=CHECK,NO_TRAP_UNREACHABLE %s
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; RUN: llc -enable-selectiondag-sp -mtriple=x86_64 -fast-isel=false -global-isel=false -verify-machineinstrs -print-after=finalize-isel \
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; RUN: -trap-unreachable -no-trap-after-noreturn=false -o /dev/null 2>&1 %s | FileCheck --check-prefixes=CHECK,TRAP_UNREACHABLE %s
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; RUN: llc -enable-selectiondag-sp=false -mtriple=x86_64 -fast-isel=false -global-isel=false -verify-machineinstrs -print-after=finalize-isel \
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; RUN: -trap-unreachable=false -o /dev/null 2>&1 %s | FileCheck --check-prefixes=CHECK,NO_TRAP_UNREACHABLE %s
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; RUN: llc -enable-selectiondag-sp=false -mtriple=x86_64 -fast-isel=false -global-isel=false -verify-machineinstrs -print-after=finalize-isel \
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; RUN: -trap-unreachable -no-trap-after-noreturn -o /dev/null 2>&1 %s | FileCheck --check-prefixes=CHECK,NO_TRAP_UNREACHABLE %s
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; RUN: llc -enable-selectiondag-sp=false -mtriple=x86_64 -fast-isel=false -global-isel=false -verify-machineinstrs -print-after=finalize-isel \
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; RUN: -trap-unreachable -no-trap-after-noreturn=false -o /dev/null 2>&1 %s | FileCheck --check-prefixes=CHECK,TRAP_UNREACHABLE %s
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;; Make sure FastISel doesn't break anything.
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; RUN: llc -mtriple=x86_64 -fast-isel -global-isel=false -verify-machineinstrs -print-after=finalize-isel \
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; RUN: -trap-unreachable=false --o /dev/null 2>&1 %s | FileCheck --check-prefixes=CHECK,NO_TRAP_UNREACHABLE %s
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; RUN: llc -mtriple=x86_64 -fast-isel -global-isel=false -verify-machineinstrs -print-after=finalize-isel \
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; RUN: -trap-unreachable -no-trap-after-noreturn -o /dev/null 2>&1 %s | FileCheck --check-prefixes=CHECK,NO_TRAP_UNREACHABLE %s
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; RUN: llc -mtriple=x86_64 -fast-isel -global-isel=false -verify-machineinstrs -print-after=finalize-isel \
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; RUN: -trap-unreachable -no-trap-after-noreturn=false -o /dev/null 2>&1 %s | FileCheck --check-prefixes=CHECK,TRAP_UNREACHABLE %s
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; CHECK-LABEL: Machine code for function test
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; CHECK: bb.0.entry:
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; CHECK: CALL64{{.*}}__stack_chk_fail
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; CHECK-NEXT: ADJCALLSTACKUP64
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; TRAP_UNREACHABLE-NEXT: TRAP
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; NO_TRAP_UNREACHABLE-NOT: TRAP
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; NO_TRAP_UNREACHABLE-EMPTY:
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define void @test() nounwind ssp {
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entry:
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%buf = alloca [8 x i8]
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%result = call i32(ptr) @callee(ptr %buf) nounwind
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ret void
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}
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declare i32 @callee(ptr) nounwind
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