; RUN: llc -mtriple=mips-linux-gnu -relocation-model=pic -mips-tail-calls=1 \
; RUN: -O2 < %s | \
-; RUN: FileCheck %s -check-prefixes=ALL,JALR-32R2,TAILCALL-32R2
+; 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-64R2,TAILCALL-64R2
+; 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-32R6,TAILCALL-32R6
+; 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-64R6,TAILCALL-64R6
+; 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-32R2,TAILCALL-32R2
+; 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-64R2,TAILCALL-64R2
+; 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-MM,TAILCALL-MM
+; 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-MM
+; 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-32R2
+; 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-64R2
+; 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-32R6
+; 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-64R6
+; 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-32R2
+; 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-64R2
+; 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-MM
+; 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-MM
+; 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 | \
define void @checkCall() {
entry:
; ALL-LABEL: checkCall:
+; ALL-NOT: MIPS_JALR
call void @foo()
-; JALR-32R2: .reloc ([[TMPLABEL:.*]]), R_MIPS_JALR, foo
-; JALR-32R2-NEXT: [[TMPLABEL]]:
-; JALR-32R2-NEXT: jalr $25
-
-; JALR-64R2: .reloc [[TMPLABEL:.*]], R_MIPS_JALR, foo
-; JALR-64R2-NEXT: [[TMPLABEL]]:
-; JALR-64R2-NEXT: jalr $25
-
-; JALR-MM: .reloc ([[TMPLABEL:.*]]), R_MICROMIPS_JALR, foo
-; JALR-MM-NEXT: [[TMPLABEL]]:
-; JALR-MM-NEXT: jalr $25
-
-; JALR-32R6: .reloc ([[TMPLABEL:.*]]), R_MIPS_JALR, foo
-; JALR-32R6-NEXT: [[TMPLABEL]]:
-; JALR-32R6-NEXT: jalrc $25
-
-; JALR-64R6: .reloc [[TMPLABEL:.*]], R_MIPS_JALR, foo
-; JALR-64R6-NEXT: [[TMPLABEL]]:
-; JALR-64R6-NEXT: jalrc $25
-
-; NORELOC-NOT: R_MIPS_JALR
+; 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()
-; TAILCALL-32R2: .reloc ([[TMPLABEL:.*]]), R_MIPS_JALR, foo
-; TAILCALL-32R2-NEXT: [[TMPLABEL]]:
-; TAILCALL-32R2-NEXT: jr $25
+; 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
+}
-; TAILCALL-64R2: .reloc [[TMPLABEL:.*]], R_MIPS_JALR, foo
-; TAILCALL-64R2-NEXT: [[TMPLABEL]]:
-; TAILCALL-64R2-NEXT: jr $25
+; 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.
-; TAILCALL-MM: .reloc ([[TMPLABEL:.*]]), R_MICROMIPS_JALR, foo
-; TAILCALL-MM-NEXT: [[TMPLABEL]]:
-; TAILCALL-MM-NEXT: jrc $25
+@fnptr_internal = internal global void()* @checkFunctionPointerCall
+@fnptr_internal_const = internal constant void()* @checkFunctionPointerCall
+@fnptr_const = constant void()* @checkFunctionPointerCall
+@fnptr_global = global void()* @checkFunctionPointerCall
-; TAILCALL-32R6: .reloc ([[TMPLABEL:.*]]), R_MIPS_JALR, foo
-; TAILCALL-32R6-NEXT: [[TMPLABEL]]:
-; TAILCALL-32R6-NEXT: jrc $25
+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
+}
-; TAILCALL-64R6: .reloc [[TMPLABEL:.*]], R_MIPS_JALR, foo
-; TAILCALL-64R6-NEXT: [[TMPLABEL]]:
-; TAILCALL-64R6-NEXT: jrc $25
+@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
-; NORELOC-NOT: R_MIPS_JALR
+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
}