llvm/test/CodeGen/X86/br-fold.ll
Paul Robinson d0c6d209f8 [PS4] Guarantee an instruction after a 'noreturn' call.
We need the "return address" of a noreturn call to be within the
bounds of the calling function; TrapUnreachable turns 'unreachable'
into a 'ud2' instruction, which has that desired effect.

Differential Revision: http://reviews.llvm.org/D18414


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@264224 91177308-0d34-0410-b5e6-96231b3b80d8
2016-03-24 00:10:03 +00:00

37 lines
1.4 KiB
LLVM

; RUN: llc -mtriple=x86_64-apple-darwin < %s | FileCheck -check-prefix=X64_DARWIN %s
; RUN: llc -mtriple=x86_64-pc-linux < %s | FileCheck -check-prefix=X64_LINUX %s
; RUN: llc -mtriple=x86_64-pc-windows < %s | FileCheck -check-prefix=X64_WINDOWS %s
; RUN: llc -mtriple=x86_64-pc-windows-gnu < %s | FileCheck -check-prefix=X64_WINDOWS_GNU %s
; RUN: llc -mtriple=x86_64-scei-ps4 < %s | FileCheck -check-prefix=PS4 %s
; X64_DARWIN: orq
; X64_DARWIN-NEXT: %bb8.i329
; X64_LINUX: orq %rax, %rcx
; X64_LINUX-NEXT: %bb8.i329
; X64_WINDOWS: orq %rax, %rcx
; X64_WINDOWS-NEXT: ud2
; X64_WINDOWS_GNU: orq %rax, %rcx
; X64_WINDOWS_GNU-NEXT: ud2
; PS4: orq %rax, %rcx
; PS4-NEXT: ud2
@_ZN11xercesc_2_513SchemaSymbols21fgURI_SCHEMAFORSCHEMAE = external constant [33 x i16], align 32 ; <[33 x i16]*> [#uses=1]
@_ZN11xercesc_2_56XMLUni16fgNotationStringE = external constant [9 x i16], align 16 ; <[9 x i16]*> [#uses=1]
define fastcc void @foo() {
entry:
br i1 icmp eq (i64 or (i64 ptrtoint ([33 x i16]* @_ZN11xercesc_2_513SchemaSymbols21fgURI_SCHEMAFORSCHEMAE to i64),
i64 ptrtoint ([9 x i16]* @_ZN11xercesc_2_56XMLUni16fgNotationStringE to i64)), i64 0),
label %bb8.i329, label %bb4.i.i318.preheader
bb4.i.i318.preheader: ; preds = %bb6
unreachable
bb8.i329: ; preds = %bb6
unreachable
}