3ac5a123d9
Without this the function will be use an Arm subtarget, meaning the instructions in it will be invalid for the current subtarget. Differential Revision: https://reviews.llvm.org/D144733
24 lines
965 B
LLVM
24 lines
965 B
LLVM
; RUN: llc -mattr=harden-sls-retbr -mattr=harden-sls-blr -verify-machineinstrs -mtriple=armv8-linux-gnueabi -stop-after=arm-sls-hardening %s -o - | FileCheck %s
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; Given both Arm and Thumb functions in the same compilation unit, we should
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; get both arm and thumb thunks.
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define i32 @test1(i32 %a, i32 %b) {
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ret i32 %a
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}
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define i32 @test2(i32 %a, i32 %b) "target-features"="+thumb-mode" {
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ret i32 %a
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}
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; CHECK: define i32 @test1(i32 %a, i32 %b) #0
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; CHECK: define i32 @test2(i32 %a, i32 %b) #1
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; CHECK: define linkonce_odr hidden void @__llvm_slsblr_thunk_arm_sp() #2 comdat
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; CHECK: define linkonce_odr hidden void @__llvm_slsblr_thunk_thumb_sp() #3 comdat
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; CHECK: attributes #0 = { "target-features"="+harden-sls-retbr,+harden-sls-blr" }
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; CHECK: attributes #1 = { "target-features"="+thumb-mode,+harden-sls-retbr,+harden-sls-blr" }
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; CHECK: attributes #2 = { naked nounwind }
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; CHECK: attributes #3 = { naked nounwind "target-features"="+thumb-mode" }
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