You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
213 lines
6.2 KiB
213 lines
6.2 KiB
; Test the 'call' instruction and the tailcall variant.
|
|
|
|
; FIXME: We should remove the need for -enable-mips-tail-calls
|
|
; RUN: llc -march=mips -mcpu=mips32 -relocation-model=pic -enable-mips-tail-calls < %s | FileCheck %s -check-prefixes=ALL,O32,NOT-R6C
|
|
; RUN: llc -march=mips -mcpu=mips32r2 -relocation-model=pic -enable-mips-tail-calls < %s | FileCheck %s -check-prefixes=ALL,O32,NOT-R6C
|
|
; RUN: llc -march=mips -mcpu=mips32r3 -relocation-model=pic -enable-mips-tail-calls < %s | FileCheck %s -check-prefixes=ALL,O32,NOT-R6C
|
|
; RUN: llc -march=mips -mcpu=mips32r5 -relocation-model=pic -enable-mips-tail-calls < %s | FileCheck %s -check-prefixes=ALL,O32,NOT-R6C
|
|
; RUN: llc -march=mips -mcpu=mips32r6 -relocation-model=pic -disable-mips-delay-filler -enable-mips-tail-calls < %s | FileCheck %s -check-prefixes=ALL,O32,R6C
|
|
; RUN: llc -march=mips -mcpu=mips32r6 -relocation-model=pic -mattr=+fp64,+nooddspreg -disable-mips-delay-filler -enable-mips-tail-calls < %s | FileCheck %s -check-prefixes=ALL,O32,R6C
|
|
; RUN: llc -march=mips64 -mcpu=mips4 -enable-mips-tail-calls < %s | FileCheck %s -check-prefixes=ALL,N64,NOT-R6C
|
|
; RUN: llc -march=mips64 -mcpu=mips64 -enable-mips-tail-calls < %s | FileCheck %s -check-prefixes=ALL,N64,NOT-R6C
|
|
; RUN: llc -march=mips64 -mcpu=mips64r2 -enable-mips-tail-calls < %s | FileCheck %s -check-prefixes=ALL,N64,NOT-R6C
|
|
; RUN: llc -march=mips64 -mcpu=mips64r3 -enable-mips-tail-calls < %s | FileCheck %s -check-prefixes=ALL,N64,NOT-R6C
|
|
; RUN: llc -march=mips64 -mcpu=mips64r5 -enable-mips-tail-calls < %s | FileCheck %s -check-prefixes=ALL,N64,NOT-R6C
|
|
; RUN: llc -march=mips64 -mcpu=mips64r6 -disable-mips-delay-filler -enable-mips-tail-calls < %s | FileCheck %s -check-prefixes=ALL,N64,R6C
|
|
|
|
declare void @extern_void_void()
|
|
declare i32 @extern_i32_void()
|
|
declare float @extern_float_void()
|
|
|
|
define i32 @call_void_void() {
|
|
; ALL-LABEL: call_void_void:
|
|
|
|
; O32: lw $[[TGT:[0-9]+]], %call16(extern_void_void)($gp)
|
|
|
|
; N64: ld $[[TGT:[0-9]+]], %call16(extern_void_void)($gp)
|
|
|
|
; NOT-R6C: jalr $[[TGT]]
|
|
; R6C: jalrc $[[TGT]]
|
|
|
|
call void @extern_void_void()
|
|
; R6C: jrc $ra
|
|
ret i32 0
|
|
}
|
|
|
|
define i32 @call_i32_void() {
|
|
; ALL-LABEL: call_i32_void:
|
|
|
|
; O32: lw $[[TGT:[0-9]+]], %call16(extern_i32_void)($gp)
|
|
|
|
; N64: ld $[[TGT:[0-9]+]], %call16(extern_i32_void)($gp)
|
|
|
|
; NOT-R6C: jalr $[[TGT]]
|
|
; R6C: jalrc $[[TGT]]
|
|
|
|
%1 = call i32 @extern_i32_void()
|
|
%2 = add i32 %1, 1
|
|
; R6C: jrc $ra
|
|
ret i32 %2
|
|
}
|
|
|
|
define float @call_float_void() {
|
|
; ALL-LABEL: call_float_void:
|
|
|
|
; FIXME: Not sure why we don't use $gp directly on such a simple test. We should
|
|
; look into it at some point.
|
|
; O32: addu $[[GP:[0-9]+]], ${{[0-9]+}}, $25
|
|
; O32: lw $[[TGT:[0-9]+]], %call16(extern_float_void)($[[GP]])
|
|
|
|
; N64: ld $[[TGT:[0-9]+]], %call16(extern_float_void)($gp)
|
|
|
|
; NOT-R6C: jalr $[[TGT]]
|
|
; R6C: jalrc $[[TGT]]
|
|
|
|
|
|
%1 = call float @extern_float_void()
|
|
%2 = fadd float %1, 1.0
|
|
; R6C: jrc $ra
|
|
ret float %2
|
|
}
|
|
|
|
define void @musttail_call_void_void() {
|
|
; ALL-LABEL: musttail_call_void_void:
|
|
|
|
; O32: lw $[[TGT:[0-9]+]], %call16(extern_void_void)($gp)
|
|
|
|
; N64: ld $[[TGT:[0-9]+]], %call16(extern_void_void)($gp)
|
|
|
|
; ALL: jr $[[TGT]]
|
|
|
|
musttail call void @extern_void_void()
|
|
ret void
|
|
}
|
|
|
|
define i32 @musttail_call_i32_void() {
|
|
; ALL-LABEL: musttail_call_i32_void:
|
|
|
|
; O32: lw $[[TGT:[0-9]+]], %call16(extern_i32_void)($gp)
|
|
|
|
; N64: ld $[[TGT:[0-9]+]], %call16(extern_i32_void)($gp)
|
|
|
|
; ALL: jr $[[TGT]]
|
|
|
|
%1 = musttail call i32 @extern_i32_void()
|
|
ret i32 %1
|
|
}
|
|
|
|
define float @musttail_call_float_void() {
|
|
; ALL-LABEL: musttail_call_float_void:
|
|
|
|
; O32: lw $[[TGT:[0-9]+]], %call16(extern_float_void)($gp)
|
|
|
|
; N64: ld $[[TGT:[0-9]+]], %call16(extern_float_void)($gp)
|
|
|
|
; ALL: jr $[[TGT]]
|
|
|
|
%1 = musttail call float @extern_float_void()
|
|
ret float %1
|
|
}
|
|
|
|
define i32 @indirect_call_void_void(void ()* %addr) {
|
|
; ALL-LABEL: indirect_call_void_void:
|
|
|
|
; ALL: move $25, $4
|
|
; NOT-R6C: jalr $25
|
|
; R6C: jalrc $25
|
|
|
|
call void %addr()
|
|
; R6C: jrc $ra
|
|
ret i32 0
|
|
}
|
|
|
|
define i32 @indirect_call_i32_void(i32 ()* %addr) {
|
|
; ALL-LABEL: indirect_call_i32_void:
|
|
|
|
; ALL: move $25, $4
|
|
; NOT-R6C: jalr $25
|
|
; R6C: jalrc $25
|
|
|
|
|
|
%1 = call i32 %addr()
|
|
%2 = add i32 %1, 1
|
|
; R6C: jrc $ra
|
|
ret i32 %2
|
|
}
|
|
|
|
define float @indirect_call_float_void(float ()* %addr) {
|
|
; ALL-LABEL: indirect_call_float_void:
|
|
|
|
; ALL: move $25, $4
|
|
; NOT-R6C: jalr $25
|
|
; R6C: jalrc $25
|
|
|
|
|
|
%1 = call float %addr()
|
|
%2 = fadd float %1, 1.0
|
|
; R6C: jrc $ra
|
|
ret float %2
|
|
}
|
|
|
|
; We can't use 'musttail' here because the verifier is too conservative and
|
|
; prohibits any prototype difference.
|
|
define void @tail_indirect_call_void_void(void ()* %addr) {
|
|
; ALL-LABEL: tail_indirect_call_void_void:
|
|
|
|
; ALL: move $25, $4
|
|
; ALL: jr $25
|
|
|
|
tail call void %addr()
|
|
ret void
|
|
}
|
|
|
|
define i32 @tail_indirect_call_i32_void(i32 ()* %addr) {
|
|
; ALL-LABEL: tail_indirect_call_i32_void:
|
|
|
|
; ALL: move $25, $4
|
|
; ALL: jr $25
|
|
|
|
%1 = tail call i32 %addr()
|
|
ret i32 %1
|
|
}
|
|
|
|
define float @tail_indirect_call_float_void(float ()* %addr) {
|
|
; ALL-LABEL: tail_indirect_call_float_void:
|
|
|
|
; ALL: move $25, $4
|
|
; ALL: jr $25
|
|
|
|
%1 = tail call float %addr()
|
|
ret float %1
|
|
}
|
|
|
|
; Check that passing undef as a double value doesn't cause machine code errors
|
|
; for FP64.
|
|
declare hidden void @undef_double(i32 %this, double %volume) unnamed_addr align 2
|
|
|
|
define hidden void @thunk_undef_double(i32 %this, double %volume) unnamed_addr align 2 {
|
|
; ALL-LABEL: thunk_undef_double:
|
|
; O32: # implicit-def: %A2
|
|
; O32: # implicit-def: %A3
|
|
; ALL: jr $25
|
|
|
|
tail call void @undef_double(i32 undef, double undef) #8
|
|
ret void
|
|
}
|
|
|
|
; Check that immediate addresses do not use jal.
|
|
define i32 @jal_only_allows_symbols() {
|
|
; ALL-LABEL: jal_only_allows_symbols:
|
|
|
|
; ALL-NOT: {{jal }}
|
|
; ALL: addiu $[[TGT:[0-9]+]], $zero, 1234
|
|
; ALL-NOT: {{jal }}
|
|
; NOT-R6C: jalr $[[TGT]]
|
|
; R6C: jalrc $[[TGT]]
|
|
; ALL-NOT: {{jal }}
|
|
|
|
call void () inttoptr (i32 1234 to void ()*)()
|
|
; R6C: jrc $ra
|
|
ret i32 0
|
|
}
|
|
|