forked from OSchip/llvm-project
192 lines
7.8 KiB
LLVM
192 lines
7.8 KiB
LLVM
; RUN: llc -mtriple=mips-linux-gnu -relocation-model=pic -mips-tail-calls=1 \
|
|
; RUN: -O2 < %s | \
|
|
; RUN: FileCheck %s -check-prefixes=ALL,JALR-ALL,JALR-32,JALR-32R2,TAILCALL-32R2
|
|
|
|
; RUN: llc -mtriple=mips64-linux-gnu -relocation-model=pic -mips-tail-calls=1 \
|
|
; RUN: -O2 < %s | \
|
|
; RUN: FileCheck %s -check-prefixes=ALL,JALR-ALL,JALR-64,JALR-64R2,TAILCALL-64R2
|
|
|
|
; RUN: llc -mtriple=mips-linux-gnu -relocation-model=pic -mips-tail-calls=1 \
|
|
; RUN: -O2 -mcpu=mips32r6 -mips-compact-branches=always < %s | \
|
|
; RUN: FileCheck %s -check-prefixes=ALL,JALR-ALL,JALR-32,JALR-32R6,TAILCALL-32R6
|
|
|
|
; RUN: llc -mtriple=mips64-linux-gnu -relocation-model=pic -mips-tail-calls=1 \
|
|
; RUN: -O2 -mcpu=mips64r6 -mips-compact-branches=always < %s | \
|
|
; RUN: FileCheck %s -check-prefixes=ALL,JALR-ALL,JALR-64,JALR-64R6,TAILCALL-64R6
|
|
|
|
; RUN: llc -mtriple=mips-linux-gnu -relocation-model=pic -mips-tail-calls=1 \
|
|
; RUN: -O2 -mcpu=mips32r6 -mips-compact-branches=never < %s | \
|
|
; RUN: FileCheck %s -check-prefixes=ALL,JALR-ALL,JALR-32,JALR-32R2,TAILCALL-32R2
|
|
|
|
; RUN: llc -mtriple=mips64-linux-gnu -relocation-model=pic -mips-tail-calls=1 \
|
|
; RUN: -O2 -mcpu=mips64r6 -mips-compact-branches=never < %s | \
|
|
; RUN: FileCheck %s -check-prefixes=ALL,JALR-ALL,JALR-64,JALR-64R2,TAILCALL-64R2
|
|
|
|
; RUN: llc -mtriple=mips-linux-gnu -relocation-model=pic -mips-tail-calls=1 \
|
|
; RUN: -O2 -mattr=+micromips -mcpu=mips32r2 < %s | \
|
|
; RUN: FileCheck %s -check-prefixes=ALL,JALR-ALL,JALR-MM,TAILCALL-MM
|
|
|
|
; RUN: llc -mtriple=mips-linux-gnu -relocation-model=pic -mips-tail-calls=1 \
|
|
; RUN: -O2 -mattr=+micromips -mcpu=mips32r6 < %s | \
|
|
; RUN: FileCheck %s -check-prefixes=ALL,JALR-ALL,JALR-MM,TAILCALL-MM
|
|
|
|
; RUN: llc -mtriple=mips-linux-gnu -relocation-model=pic \
|
|
; RUN: -O0 < %s | FileCheck %s -check-prefixes=ALL,JALR-ALL,JALR-32,JALR-32R2,PIC-NOTAILCALL-R2
|
|
|
|
; RUN: llc -mtriple=mips64-linux-gnu -relocation-model=pic \
|
|
; RUN: -O0 < %s | FileCheck %s -check-prefixes=ALL,JALR-ALL,JALR-64,JALR-64R2,PIC-NOTAILCALL-R2
|
|
|
|
; RUN: llc -mtriple=mips-linux-gnu -relocation-model=pic \
|
|
; RUN: -O0 -mcpu=mips32r6 -mips-compact-branches=always < %s | \
|
|
; RUN: FileCheck %s -check-prefixes=ALL,JALR-ALL,JALR-32,JALR-32R6,PIC-NOTAILCALL-R6
|
|
|
|
; RUN: llc -mtriple=mips64-linux-gnu -relocation-model=pic \
|
|
; RUN: -O0 -mcpu=mips64r6 -mips-compact-branches=always < %s | \
|
|
; RUN: FileCheck %s -check-prefixes=ALL,JALR-ALL,JALR-64,JALR-64R6,PIC-NOTAILCALL-R6
|
|
|
|
; RUN: llc -mtriple=mips-linux-gnu -relocation-model=pic \
|
|
; RUN: -O0 -mcpu=mips32r6 -mips-compact-branches=never < %s | \
|
|
; RUN: FileCheck %s -check-prefixes=ALL,JALR-ALL,JALR-32,JALR-32R2,PIC-NOTAILCALL-R2
|
|
|
|
; RUN: llc -mtriple=mips64-linux-gnu -relocation-model=pic \
|
|
; RUN: -O0 -mcpu=mips64r6 -mips-compact-branches=never < %s | \
|
|
; RUN: FileCheck %s -check-prefixes=ALL,JALR-ALL,JALR-64,JALR-64R2,PIC-NOTAILCALL-R2
|
|
|
|
; RUN: llc -mtriple=mips-linux-gnu -relocation-model=pic \
|
|
; RUN: -O0 -mattr=+micromips -mcpu=mips32r2 < %s | \
|
|
; RUN: FileCheck %s -check-prefixes=ALL,JALR-ALL,JALR-MM,PIC-NOTAILCALL-MM
|
|
|
|
; RUN: llc -mtriple=mips-linux-gnu -relocation-model=pic \
|
|
; RUN: -O0 -mattr=+micromips -mcpu=mips32r6 < %s | \
|
|
; RUN: FileCheck %s -check-prefixes=ALL,JALR-ALL,JALR-MM,PIC-NOTAILCALL-MM
|
|
|
|
; RUN: llc -mtriple=mips-linux-gnu -relocation-model=pic -mips-tail-calls=1 \
|
|
; RUN: -O2 -mips-jalr-reloc=false < %s | \
|
|
; RUN: FileCheck %s -check-prefixes=ALL,NORELOC
|
|
|
|
; RUN: llc -mtriple=mips-linux-gnu -relocation-model=static -mips-tail-calls=1 \
|
|
; RUN: -O2 < %s | \
|
|
; RUN: FileCheck %s -check-prefixes=ALL,NORELOC
|
|
|
|
; RUN: llc -mtriple=mips-linux-gnu -relocation-model=pic -mips-tail-calls=1 \
|
|
; RUN: -O0 -mips-jalr-reloc=false < %s | \
|
|
; RUN: FileCheck %s -check-prefixes=ALL,NORELOC
|
|
|
|
; RUN: llc -mtriple=mips-linux-gnu -relocation-model=static -mips-tail-calls=1 \
|
|
; RUN: -O0 < %s | \
|
|
; RUN: FileCheck %s -check-prefixes=ALL,NORELOC
|
|
|
|
; RUN: llc -mtriple=mips64-linux-gnu -relocation-model=pic -mips-tail-calls=1 \
|
|
; RUN: -O2 -mips-jalr-reloc=false < %s | \
|
|
; RUN: FileCheck %s -check-prefixes=ALL,NORELOC
|
|
|
|
; RUN: llc -mtriple=mips64-linux-gnu -mips-tail-calls=1 \
|
|
; RUN: -O2 -relocation-model=static < %s | \
|
|
; RUN: FileCheck %s -check-prefixes=ALL,NORELOC
|
|
|
|
; RUN: llc -mtriple=mips64-linux-gnu -relocation-model=pic \
|
|
; RUN: -O0 -mips-jalr-reloc=false < %s | \
|
|
; RUN: FileCheck %s -check-prefixes=ALL,NORELOC
|
|
|
|
; RUN: llc -mtriple=mips64-linux-gnu -relocation-model=static \
|
|
; RUN: -O0 < %s | \
|
|
; RUN: FileCheck %s -check-prefixes=ALL,NORELOC
|
|
|
|
define internal void @foo() noinline {
|
|
entry:
|
|
ret void
|
|
}
|
|
|
|
define void @checkCall() {
|
|
entry:
|
|
; ALL-LABEL: checkCall:
|
|
; ALL-NOT: MIPS_JALR
|
|
call void @foo()
|
|
; JALR-32: .reloc ([[TMPLABEL:\$.+]]), R_MIPS_JALR, foo
|
|
; JALR-64: .reloc [[TMPLABEL:\..+]], R_MIPS_JALR, foo
|
|
; JALR-MM: .reloc ([[TMPLABEL:\$.+]]), R_MICROMIPS_JALR, foo
|
|
; JALR-ALL-NEXT: [[TMPLABEL]]:
|
|
; JALR-32R2-NEXT: jalr $25
|
|
; JALR-64R2-NEXT: jalr $25
|
|
; JALR-32R6-NEXT: jalrc $25
|
|
; JALR-64R6-NEXT: jalrc $25
|
|
; JALR-MM-NEXT: jalr $25
|
|
; ALL-NOT: MIPS_JALR
|
|
ret void
|
|
}
|
|
|
|
define void @checkTailCall() {
|
|
entry:
|
|
; ALL-LABEL: checkTailCall:
|
|
; ALL-NOT: MIPS_JALR
|
|
tail call void @foo()
|
|
; JALR-32: .reloc ([[TMPLABEL:\$.+]]), R_MIPS_JALR, foo
|
|
; JALR-64: .reloc [[TMPLABEL:\..+]], R_MIPS_JALR, foo
|
|
; JALR-MM: .reloc ([[TMPLABEL:\$.+]]), R_MICROMIPS_JALR, foo
|
|
; JALR-ALL-NEXT: [[TMPLABEL]]:
|
|
; TAILCALL-32R2-NEXT: jr $25
|
|
; TAILCALL-64R2-NEXT: jr $25
|
|
; TAILCALL-MM-NEXT: jrc $25
|
|
; TAILCALL-32R6-NEXT: jrc $25
|
|
; TAILCALL-64R6-NEXT: jrc $25
|
|
; PIC-NOTAILCALL-R2-NEXT: jalr $25
|
|
; PIC-NOTAILCALL-R6-NEXT: jalrc $25
|
|
; PIC-NOTAILCALL-MM-NEXT: jalr $25
|
|
; ALL-NOT: MIPS_JALR
|
|
ret void
|
|
}
|
|
|
|
; Check that we don't emit R_MIPS_JALR relocations against function pointers.
|
|
; This resulted in run-time crashes until lld was modified to ignore
|
|
; R_MIPS_JALR relocations against data symbols (commit 5bab291b7b).
|
|
; However, the better approach is to not emit these relocations in the first
|
|
; place so check that we no longer emit them.
|
|
; Previously we were adding them for local dynamic TLS function pointers and
|
|
; function pointers with internal linkage.
|
|
|
|
@fnptr_internal = internal global void()* @checkFunctionPointerCall
|
|
@fnptr_internal_const = internal constant void()* @checkFunctionPointerCall
|
|
@fnptr_const = constant void()* @checkFunctionPointerCall
|
|
@fnptr_global = global void()* @checkFunctionPointerCall
|
|
|
|
define void @checkFunctionPointerCall() {
|
|
entry:
|
|
; ALL-LABEL: checkFunctionPointerCall:
|
|
; ALL-NOT: MIPS_JALR
|
|
%func_internal = load void()*, void()** @fnptr_internal
|
|
call void %func_internal()
|
|
%func_internal_const = load void()*, void()** @fnptr_internal_const
|
|
call void %func_internal_const()
|
|
%func_const = load void()*, void()** @fnptr_const
|
|
call void %func_const()
|
|
%func_global = load void()*, void()** @fnptr_global
|
|
call void %func_global()
|
|
ret void
|
|
}
|
|
|
|
@tls_fnptr_gd = thread_local global void()* @checkTlsFunctionPointerCall
|
|
@tls_fnptr_ld = thread_local(localdynamic) global void()* @checkTlsFunctionPointerCall
|
|
@tls_fnptr_ie = thread_local(initialexec) global void()* @checkTlsFunctionPointerCall
|
|
@tls_fnptr_le = thread_local(localexec) global void()* @checkTlsFunctionPointerCall
|
|
|
|
define void @checkTlsFunctionPointerCall() {
|
|
entry:
|
|
; There should not be any *JALR relocations in this function other than the
|
|
; calls to __tls_get_addr:
|
|
; ALL-LABEL: checkTlsFunctionPointerCall:
|
|
; ALL-NOT: MIPS_JALR
|
|
; JALR-ALL: .reloc {{.+}}MIPS_JALR, __tls_get_addr
|
|
; ALL-NOT: MIPS_JALR
|
|
; JALR-ALL: .reloc {{.+}}MIPS_JALR, __tls_get_addr
|
|
; ALL-NOT: _MIPS_JALR
|
|
%func_gd = load void()*, void()** @tls_fnptr_gd
|
|
call void %func_gd()
|
|
%func_ld = load void()*, void()** @tls_fnptr_ld
|
|
call void %func_ld()
|
|
%func_ie = load void()*, void()** @tls_fnptr_ie
|
|
call void %func_ie()
|
|
%func_le = load void()*, void()** @tls_fnptr_le
|
|
call void %func_le()
|
|
ret void
|
|
}
|