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;; Check encodings of trap instructions and that their properties are set
;; correctly so that they are not placed after the stack frame is destroyed.
; RUN: llc < %s -mtriple=arm-apple-darwin | FileCheck %s -check-prefix=DARWIN
; RUN: llc < %s -mtriple=arm-apple-darwin -trap-func=_trap | FileCheck %s -check-prefix=FUNC
; RUN: llc < %s -mtriple=arm-apple-darwin -trap-func=_trap -O0 | FileCheck %s -check-prefix=FUNC
; RUN: llc < %s -mtriple=armv7 | FileCheck %s -check-prefix=ARM
; RUN: llc < %s -mtriple=thumbv7 | FileCheck %s -check-prefix=THUMB
; RUN: llc -mtriple=armv7 -filetype=obj %s -o - \
; RUN: | llvm-objdump -d --triple=armv7 - \
; RUN: | FileCheck %s -check-prefix=ENCODING-ARM
; RUN: llc -verify-machineinstrs -fast-isel -mtriple=armv7 -filetype=obj %s -o - \
; RUN: | llvm-objdump -d --triple=armv7 - \
; RUN: | FileCheck %s -check-prefix=ENCODING-ARM
; RUN: llc -mtriple=thumbv7 -filetype=obj %s -o - \
; RUN: | llvm-objdump -d --triple=thumbv7 - \
; RUN: | FileCheck %s -check-prefix=ENCODING-THUMB
; RUN: llc -verify-machineinstrs -fast-isel -mtriple=thumbv7 -filetype=obj %s -o - \
; RUN: | llvm-objdump -d --triple=thumbv7 - \
; RUN: | FileCheck %s -check-prefix=ENCODING-THUMB
; rdar://7961298
; rdar://9249183
define void @t() noinline optnone {
entry:
;; So that we have a stack frame.
%1 = alloca i32, align 4
store volatile i32 0, ptr %1, align 4
; DARWIN-LABEL: t:
; DARWIN: trap
; DARWIN-NEXT: add sp, sp, #4
; FUNC-LABEL: t:
; FUNC: bl __trap
; FUNC-NEXT: add sp, sp, #4
; ARM-LABEL: t:
; ARM: .inst 0xe7ffdefe
; ARM-NEXT: add sp, sp, #4
; THUMB-LABEL: t:
; THUMB: .inst.n 0xdefe
; THUMB-NEXT: add sp, #4
; ENCODING-ARM: e7ffdefe trap
; ENCODING-THUMB: defe trap
call void @llvm.trap()
ret void
}
define void @t2() {
entry:
;; So that we have a stack frame.
%1 = alloca i32, align 4
store volatile i32 0, ptr %1, align 4
; DARWIN-LABEL: t2:
; DARWIN: udf #254
; DARWIN-NEXT: add sp, sp, #4
; FUNC-LABEL: t2:
; FUNC: bl __trap
; FUNC-NEXT: add sp, sp, #4
; ARM-LABEL: t2:
; ARM: bkpt #0
; ARM-NEXT: add sp, sp, #4
; THUMB-LABEL: t2:
; THUMB: bkpt #0
; THUMB-NEXT: add sp, #4
; ENCODING-ARM: e1200070 bkpt #0
; ENCODING-THUMB: be00 bkpt #0
call void @llvm.debugtrap()
ret void
}
declare void @llvm.trap() nounwind
declare void @llvm.debugtrap() nounwind
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