forked from OSchip/llvm-project
171 lines
4.9 KiB
LLVM
171 lines
4.9 KiB
LLVM
; 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 -enable-mips-tail-calls < %s | FileCheck %s -check-prefix=ALL -check-prefix=O32
|
|
; RUN: llc -march=mips -mcpu=mips32r2 -enable-mips-tail-calls < %s | FileCheck %s -check-prefix=ALL -check-prefix=O32
|
|
; RUN: llc -march=mips -mcpu=mips32r3 -enable-mips-tail-calls < %s | FileCheck %s -check-prefix=ALL -check-prefix=O32
|
|
; RUN: llc -march=mips -mcpu=mips32r5 -enable-mips-tail-calls < %s | FileCheck %s -check-prefix=ALL -check-prefix=O32
|
|
; RUN: llc -march=mips -mcpu=mips32r6 -enable-mips-tail-calls < %s | FileCheck %s -check-prefix=ALL -check-prefix=O32
|
|
; RUN: llc -march=mips64 -mcpu=mips4 -enable-mips-tail-calls < %s | FileCheck %s -check-prefix=ALL -check-prefix=N64
|
|
; RUN: llc -march=mips64 -mcpu=mips64 -enable-mips-tail-calls < %s | FileCheck %s -check-prefix=ALL -check-prefix=N64
|
|
; RUN: llc -march=mips64 -mcpu=mips64r2 -enable-mips-tail-calls < %s | FileCheck %s -check-prefix=ALL -check-prefix=N64
|
|
; RUN: llc -march=mips64 -mcpu=mips64r3 -enable-mips-tail-calls < %s | FileCheck %s -check-prefix=ALL -check-prefix=N64
|
|
; RUN: llc -march=mips64 -mcpu=mips64r5 -enable-mips-tail-calls < %s | FileCheck %s -check-prefix=ALL -check-prefix=N64
|
|
; RUN: llc -march=mips64 -mcpu=mips64r6 -enable-mips-tail-calls < %s | FileCheck %s -check-prefix=ALL -check-prefix=N64
|
|
|
|
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)
|
|
|
|
; ALL: jalr $[[TGT]]
|
|
|
|
call void @extern_void_void()
|
|
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)
|
|
|
|
; ALL: jalr $[[TGT]]
|
|
|
|
%1 = call i32 @extern_i32_void()
|
|
%2 = add i32 %1, 1
|
|
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)
|
|
|
|
; ALL: jalr $[[TGT]]
|
|
|
|
; O32: move $gp, $[[GP]]
|
|
|
|
%1 = call float @extern_float_void()
|
|
%2 = fadd float %1, 1.0
|
|
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)
|
|
|
|
; NOT-R6: jr $[[TGT]]
|
|
; R6: r6.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)
|
|
|
|
; NOT-R6: jr $[[TGT]]
|
|
; R6: r6.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)
|
|
|
|
; NOT-R6: jr $[[TGT]]
|
|
; R6: r6.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
|
|
; ALL: jalr $25
|
|
|
|
call void %addr()
|
|
ret i32 0
|
|
}
|
|
|
|
define i32 @indirect_call_i32_void(i32 ()* %addr) {
|
|
; ALL-LABEL: indirect_call_i32_void:
|
|
|
|
; ALL: move $25, $4
|
|
; ALL: jalr $25
|
|
|
|
%1 = call i32 %addr()
|
|
%2 = add i32 %1, 1
|
|
ret i32 %2
|
|
}
|
|
|
|
define float @indirect_call_float_void(float ()* %addr) {
|
|
; ALL-LABEL: indirect_call_float_void:
|
|
|
|
; ALL: move $25, $4
|
|
; ALL: jalr $25
|
|
|
|
%1 = call float %addr()
|
|
%2 = fadd float %1, 1.0
|
|
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
|
|
}
|