; Test the 'call' instruction and the tailcall variant.
; RUN: llc -march=mips -mcpu=mips32 -relocation-model=pic -mips-tail-calls=1 < %s | FileCheck %s -check-prefixes=ALL,O32,NOT-R6C
; RUN: llc -march=mips -mcpu=mips32r2 -relocation-model=pic -mips-tail-calls=1 < %s | FileCheck %s -check-prefixes=ALL,O32,NOT-R6C
; RUN: llc -march=mips -mcpu=mips32r3 -relocation-model=pic -mips-tail-calls=1 < %s | FileCheck %s -check-prefixes=ALL,O32,NOT-R6C
; RUN: llc -march=mips -mcpu=mips32r5 -relocation-model=pic -mips-tail-calls=1 < %s | FileCheck %s -check-prefixes=ALL,O32,NOT-R6C
; RUN: llc -march=mips -mcpu=mips32r6 -relocation-model=pic -disable-mips-delay-filler -mips-tail-calls=1 < %s | FileCheck %s -check-prefixes=ALL,O32,R6C
; RUN: llc -march=mips -mcpu=mips32r6 -relocation-model=pic -mattr=+fp64,+nooddspreg -disable-mips-delay-filler -mips-tail-calls=1 < %s | FileCheck %s -check-prefixes=ALL,O32,R6C
; RUN: llc -march=mips64 -mcpu=mips4 -relocation-model=pic -mips-tail-calls=1 < %s | FileCheck %s -check-prefixes=ALL,N64,NOT-R6C
; RUN: llc -march=mips64 -mcpu=mips64 -relocation-model=pic -mips-tail-calls=1 < %s | FileCheck %s -check-prefixes=ALL,N64,NOT-R6C
; RUN: llc -march=mips64 -mcpu=mips64r2 -relocation-model=pic -mips-tail-calls=1 < %s | FileCheck %s -check-prefixes=ALL,N64,NOT-R6C
; RUN: llc -march=mips64 -mcpu=mips64r3 -relocation-model=pic -mips-tail-calls=1 < %s | FileCheck %s -check-prefixes=ALL,N64,NOT-R6C
; RUN: llc -march=mips64 -mcpu=mips64r5 -relocation-model=pic -mips-tail-calls=1 < %s | FileCheck %s -check-prefixes=ALL,N64,NOT-R6C
; RUN: llc -march=mips64 -mcpu=mips64r6 -relocation-model=pic -disable-mips-delay-filler -mips-tail-calls=1 < %s | FileCheck %s -check-prefixes=ALL,N64,R6C
; RUN: llc -march=mips -mcpu=mips32 -relocation-model=pic -mips-tail-calls=1 < %s | FileCheck %s -check-prefix=ALL -check-prefix=O32 -check-prefix=NOT-R6C
; RUN: llc -march=mips -mcpu=mips32r2 -relocation-model=pic -mips-tail-calls=1 < %s | FileCheck %s -check-prefix=ALL -check-prefix=O32 -check-prefix=NOT-R6C
; RUN: llc -march=mips -mcpu=mips32r3 -relocation-model=pic -mips-tail-calls=1 < %s | FileCheck %s -check-prefix=ALL -check-prefix=O32 -check-prefix=NOT-R6C
; RUN: llc -march=mips -mcpu=mips32r5 -relocation-model=pic -mips-tail-calls=1 < %s | FileCheck %s -check-prefix=ALL -check-prefix=O32 -check-prefix=NOT-R6C
; RUN: llc -march=mips -mcpu=mips32r6 -relocation-model=pic -disable-mips-delay-filler -mips-tail-calls=1 < %s | FileCheck %s -check-prefix=ALL -check-prefix=O32 -check-prefix=R6C
; RUN: llc -march=mips -mcpu=mips32r6 -relocation-model=pic -mattr=+fp64,+nooddspreg -disable-mips-delay-filler -mips-tail-calls=1 < %s | FileCheck %s -check-prefix=ALL -check-prefix=O32 -check-prefix=R6C
; RUN: llc -march=mips64 -mcpu=mips4 -relocation-model=pic -mips-tail-calls=1 < %s | FileCheck %s -check-prefix=ALL -check-prefix=N64 -check-prefix=NOT-R6C
; RUN: llc -march=mips64 -mcpu=mips64 -relocation-model=pic -mips-tail-calls=1 < %s | FileCheck %s -check-prefix=ALL -check-prefix=N64 -check-prefix=NOT-R6C
; RUN: llc -march=mips64 -mcpu=mips64r2 -relocation-model=pic -mips-tail-calls=1 < %s | FileCheck %s -check-prefix=ALL -check-prefix=N64 -check-prefix=NOT-R6C
; RUN: llc -march=mips64 -mcpu=mips64r3 -relocation-model=pic -mips-tail-calls=1 < %s | FileCheck %s -check-prefix=ALL -check-prefix=N64 -check-prefix=NOT-R6C
; RUN: llc -march=mips64 -mcpu=mips64r5 -relocation-model=pic -mips-tail-calls=1 < %s | FileCheck %s -check-prefix=ALL -check-prefix=N64 -check-prefix=NOT-R6C
; RUN: llc -march=mips64 -mcpu=mips64r6 -relocation-model=pic -disable-mips-delay-filler -mips-tail-calls=1 < %s | FileCheck %s -check-prefix=ALL -check-prefix=N64 -check-prefix=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 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
; NOT-R6C: jr $[[TGT]]
; R6C: jrc $[[TGT]]
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
; NOT-R6C: jr $[[TGT]]
; R6C: jrc $[[TGT]]
%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
; NOT-R6C: jr $[[TGT]]
; R6C: jrc $[[TGT]]
%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
; NOT-R6C: jr $[[TGT]]
; R6C: jrc $[[TGT]]
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
}