Files
clang-p2996/llvm/test/CodeGen/PowerPC/CSR-fit.ll
Chen Zheng eb7d16ea25 [PowerPC] make expensive mflr be away from its user in the function prologue
mflr is kind of expensive on Power version smaller than 10, so we should
schedule the store for the mflr's def away from mflr.

In epilogue, the expensive mtlr has no user for its def, so it doesn't
matter that the load and the mtlr are back-to-back.

Reviewed By: RolandF

Differential Revision: https://reviews.llvm.org/D137423
2022-11-14 21:14:20 -05:00

305 lines
12 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mcpu=pwr8 -mtriple=powerpc64le-unknown-unknown \
; RUN: -ppc-vsr-nums-as-vr -ppc-asm-full-reg-names < %s | FileCheck --check-prefix=CHECK-PWR8 %s
; RUN: llc -mcpu=pwr9 -mtriple=powerpc64le-unknown-unknown \
; RUN: -ppc-vsr-nums-as-vr -ppc-asm-full-reg-names < %s | FileCheck --check-prefix=CHECK-PWR9 %s
declare signext i32 @callee(i32 signext) local_unnamed_addr
define dso_local signext i32 @caller1(i32 signext %a, i32 signext %b) local_unnamed_addr {
; CHECK-PWR8-LABEL: caller1:
; CHECK-PWR8: # %bb.0: # %entry
; CHECK-PWR8-NEXT: mflr r0
; CHECK-PWR8-NEXT: .cfi_def_cfa_offset 176
; CHECK-PWR8-NEXT: .cfi_offset lr, 16
; CHECK-PWR8-NEXT: .cfi_offset r14, -144
; CHECK-PWR8-NEXT: .cfi_offset r15, -136
; CHECK-PWR8-NEXT: std r14, -144(r1) # 8-byte Folded Spill
; CHECK-PWR8-NEXT: std r15, -136(r1) # 8-byte Folded Spill
; CHECK-PWR8-NEXT: stdu r1, -176(r1)
; CHECK-PWR8-NEXT: #APP
; CHECK-PWR8-NEXT: add r3, r3, r4
; CHECK-PWR8-NEXT: #NO_APP
; CHECK-PWR8-NEXT: std r0, 192(r1)
; CHECK-PWR8-NEXT: extsw r3, r3
; CHECK-PWR8-NEXT: bl callee
; CHECK-PWR8-NEXT: nop
; CHECK-PWR8-NEXT: addi r1, r1, 176
; CHECK-PWR8-NEXT: ld r0, 16(r1)
; CHECK-PWR8-NEXT: ld r15, -136(r1) # 8-byte Folded Reload
; CHECK-PWR8-NEXT: ld r14, -144(r1) # 8-byte Folded Reload
; CHECK-PWR8-NEXT: mtlr r0
; CHECK-PWR8-NEXT: blr
;
; CHECK-PWR9-LABEL: caller1:
; CHECK-PWR9: # %bb.0: # %entry
; CHECK-PWR9-NEXT: mflr r0
; CHECK-PWR9-NEXT: .cfi_def_cfa_offset 176
; CHECK-PWR9-NEXT: .cfi_offset lr, 16
; CHECK-PWR9-NEXT: .cfi_offset r14, -144
; CHECK-PWR9-NEXT: .cfi_offset r15, -136
; CHECK-PWR9-NEXT: std r14, -144(r1) # 8-byte Folded Spill
; CHECK-PWR9-NEXT: std r15, -136(r1) # 8-byte Folded Spill
; CHECK-PWR9-NEXT: stdu r1, -176(r1)
; CHECK-PWR9-NEXT: #APP
; CHECK-PWR9-NEXT: add r3, r3, r4
; CHECK-PWR9-NEXT: #NO_APP
; CHECK-PWR9-NEXT: extsw r3, r3
; CHECK-PWR9-NEXT: std r0, 192(r1)
; CHECK-PWR9-NEXT: bl callee
; CHECK-PWR9-NEXT: nop
; CHECK-PWR9-NEXT: addi r1, r1, 176
; CHECK-PWR9-NEXT: ld r0, 16(r1)
; CHECK-PWR9-NEXT: ld r15, -136(r1) # 8-byte Folded Reload
; CHECK-PWR9-NEXT: ld r14, -144(r1) # 8-byte Folded Reload
; CHECK-PWR9-NEXT: mtlr r0
; CHECK-PWR9-NEXT: blr
entry:
%0 = tail call i32 asm "add $0, $1, $2", "=r,r,r,~{r14},~{r15}"(i32 %a, i32 %b)
%call = tail call signext i32 @callee(i32 signext %0)
ret i32 %call
}
define dso_local signext i32 @caller2(i32 signext %a, i32 signext %b) local_unnamed_addr {
; CHECK-PWR8-LABEL: caller2:
; CHECK-PWR8: # %bb.0: # %entry
; CHECK-PWR8-NEXT: mflr r0
; CHECK-PWR8-NEXT: .cfi_def_cfa_offset 176
; CHECK-PWR8-NEXT: .cfi_offset lr, 16
; CHECK-PWR8-NEXT: .cfi_offset f14, -144
; CHECK-PWR8-NEXT: .cfi_offset f15, -136
; CHECK-PWR8-NEXT: stfd f14, -144(r1) # 8-byte Folded Spill
; CHECK-PWR8-NEXT: stfd f15, -136(r1) # 8-byte Folded Spill
; CHECK-PWR8-NEXT: stdu r1, -176(r1)
; CHECK-PWR8-NEXT: #APP
; CHECK-PWR8-NEXT: add r3, r3, r4
; CHECK-PWR8-NEXT: #NO_APP
; CHECK-PWR8-NEXT: std r0, 192(r1)
; CHECK-PWR8-NEXT: extsw r3, r3
; CHECK-PWR8-NEXT: bl callee
; CHECK-PWR8-NEXT: nop
; CHECK-PWR8-NEXT: addi r1, r1, 176
; CHECK-PWR8-NEXT: ld r0, 16(r1)
; CHECK-PWR8-NEXT: lfd f15, -136(r1) # 8-byte Folded Reload
; CHECK-PWR8-NEXT: lfd f14, -144(r1) # 8-byte Folded Reload
; CHECK-PWR8-NEXT: mtlr r0
; CHECK-PWR8-NEXT: blr
;
; CHECK-PWR9-LABEL: caller2:
; CHECK-PWR9: # %bb.0: # %entry
; CHECK-PWR9-NEXT: mflr r0
; CHECK-PWR9-NEXT: .cfi_def_cfa_offset 176
; CHECK-PWR9-NEXT: .cfi_offset lr, 16
; CHECK-PWR9-NEXT: .cfi_offset f14, -144
; CHECK-PWR9-NEXT: .cfi_offset f15, -136
; CHECK-PWR9-NEXT: stfd f14, -144(r1) # 8-byte Folded Spill
; CHECK-PWR9-NEXT: stfd f15, -136(r1) # 8-byte Folded Spill
; CHECK-PWR9-NEXT: stdu r1, -176(r1)
; CHECK-PWR9-NEXT: #APP
; CHECK-PWR9-NEXT: add r3, r3, r4
; CHECK-PWR9-NEXT: #NO_APP
; CHECK-PWR9-NEXT: extsw r3, r3
; CHECK-PWR9-NEXT: std r0, 192(r1)
; CHECK-PWR9-NEXT: bl callee
; CHECK-PWR9-NEXT: nop
; CHECK-PWR9-NEXT: addi r1, r1, 176
; CHECK-PWR9-NEXT: ld r0, 16(r1)
; CHECK-PWR9-NEXT: lfd f15, -136(r1) # 8-byte Folded Reload
; CHECK-PWR9-NEXT: lfd f14, -144(r1) # 8-byte Folded Reload
; CHECK-PWR9-NEXT: mtlr r0
; CHECK-PWR9-NEXT: blr
entry:
%0 = tail call i32 asm "add $0, $1, $2", "=r,r,r,~{f14},~{f15}"(i32 %a, i32 %b)
%call = tail call signext i32 @callee(i32 signext %0)
ret i32 %call
}
define dso_local signext i32 @caller3(i32 signext %a, i32 signext %b) local_unnamed_addr {
; CHECK-PWR8-LABEL: caller3:
; CHECK-PWR8: # %bb.0: # %entry
; CHECK-PWR8-NEXT: mflr r0
; CHECK-PWR8-NEXT: stdu r1, -240(r1)
; CHECK-PWR8-NEXT: std r0, 256(r1)
; CHECK-PWR8-NEXT: .cfi_def_cfa_offset 240
; CHECK-PWR8-NEXT: .cfi_offset lr, 16
; CHECK-PWR8-NEXT: .cfi_offset v20, -192
; CHECK-PWR8-NEXT: .cfi_offset v21, -176
; CHECK-PWR8-NEXT: li r5, 48
; CHECK-PWR8-NEXT: stvx v20, r1, r5 # 16-byte Folded Spill
; CHECK-PWR8-NEXT: li r5, 64
; CHECK-PWR8-NEXT: stvx v21, r1, r5 # 16-byte Folded Spill
; CHECK-PWR8-NEXT: #APP
; CHECK-PWR8-NEXT: add r3, r3, r4
; CHECK-PWR8-NEXT: #NO_APP
; CHECK-PWR8-NEXT: extsw r3, r3
; CHECK-PWR8-NEXT: bl callee
; CHECK-PWR8-NEXT: nop
; CHECK-PWR8-NEXT: li r4, 64
; CHECK-PWR8-NEXT: lvx v21, r1, r4 # 16-byte Folded Reload
; CHECK-PWR8-NEXT: li r4, 48
; CHECK-PWR8-NEXT: lvx v20, r1, r4 # 16-byte Folded Reload
; CHECK-PWR8-NEXT: addi r1, r1, 240
; CHECK-PWR8-NEXT: ld r0, 16(r1)
; CHECK-PWR8-NEXT: mtlr r0
; CHECK-PWR8-NEXT: blr
;
; CHECK-PWR9-LABEL: caller3:
; CHECK-PWR9: # %bb.0: # %entry
; CHECK-PWR9-NEXT: mflr r0
; CHECK-PWR9-NEXT: stdu r1, -224(r1)
; CHECK-PWR9-NEXT: std r0, 240(r1)
; CHECK-PWR9-NEXT: .cfi_def_cfa_offset 224
; CHECK-PWR9-NEXT: .cfi_offset lr, 16
; CHECK-PWR9-NEXT: .cfi_offset v20, -192
; CHECK-PWR9-NEXT: .cfi_offset v21, -176
; CHECK-PWR9-NEXT: stxv v20, 32(r1) # 16-byte Folded Spill
; CHECK-PWR9-NEXT: stxv v21, 48(r1) # 16-byte Folded Spill
; CHECK-PWR9-NEXT: #APP
; CHECK-PWR9-NEXT: add r3, r3, r4
; CHECK-PWR9-NEXT: #NO_APP
; CHECK-PWR9-NEXT: extsw r3, r3
; CHECK-PWR9-NEXT: bl callee
; CHECK-PWR9-NEXT: nop
; CHECK-PWR9-NEXT: lxv v21, 48(r1) # 16-byte Folded Reload
; CHECK-PWR9-NEXT: lxv v20, 32(r1) # 16-byte Folded Reload
; CHECK-PWR9-NEXT: addi r1, r1, 224
; CHECK-PWR9-NEXT: ld r0, 16(r1)
; CHECK-PWR9-NEXT: mtlr r0
; CHECK-PWR9-NEXT: blr
entry:
%0 = tail call i32 asm "add $0, $1, $2", "=r,r,r,~{v20},~{v21}"(i32 %a, i32 %b)
%call = tail call signext i32 @callee(i32 signext %0)
ret i32 %call
}
define dso_local signext i32 @caller4(i32 signext %a, i32 signext %b) local_unnamed_addr {
; CHECK-PWR8-LABEL: caller4:
; CHECK-PWR8: # %bb.0: # %entry
; CHECK-PWR8-NEXT: mflr r0
; CHECK-PWR8-NEXT: stdu r1, -240(r1)
; CHECK-PWR8-NEXT: std r0, 256(r1)
; CHECK-PWR8-NEXT: .cfi_def_cfa_offset 240
; CHECK-PWR8-NEXT: .cfi_offset lr, 16
; CHECK-PWR8-NEXT: .cfi_offset v20, -192
; CHECK-PWR8-NEXT: .cfi_offset v21, -176
; CHECK-PWR8-NEXT: li r5, 48
; CHECK-PWR8-NEXT: stvx v20, r1, r5 # 16-byte Folded Spill
; CHECK-PWR8-NEXT: li r5, 64
; CHECK-PWR8-NEXT: stvx v21, r1, r5 # 16-byte Folded Spill
; CHECK-PWR8-NEXT: #APP
; CHECK-PWR8-NEXT: add r3, r3, r4
; CHECK-PWR8-NEXT: #NO_APP
; CHECK-PWR8-NEXT: extsw r3, r3
; CHECK-PWR8-NEXT: bl callee
; CHECK-PWR8-NEXT: nop
; CHECK-PWR8-NEXT: li r4, 64
; CHECK-PWR8-NEXT: lvx v21, r1, r4 # 16-byte Folded Reload
; CHECK-PWR8-NEXT: li r4, 48
; CHECK-PWR8-NEXT: lvx v20, r1, r4 # 16-byte Folded Reload
; CHECK-PWR8-NEXT: addi r1, r1, 240
; CHECK-PWR8-NEXT: ld r0, 16(r1)
; CHECK-PWR8-NEXT: mtlr r0
; CHECK-PWR8-NEXT: blr
;
; CHECK-PWR9-LABEL: caller4:
; CHECK-PWR9: # %bb.0: # %entry
; CHECK-PWR9-NEXT: mflr r0
; CHECK-PWR9-NEXT: stdu r1, -224(r1)
; CHECK-PWR9-NEXT: std r0, 240(r1)
; CHECK-PWR9-NEXT: .cfi_def_cfa_offset 224
; CHECK-PWR9-NEXT: .cfi_offset lr, 16
; CHECK-PWR9-NEXT: .cfi_offset v20, -192
; CHECK-PWR9-NEXT: .cfi_offset v21, -176
; CHECK-PWR9-NEXT: stxv v20, 32(r1) # 16-byte Folded Spill
; CHECK-PWR9-NEXT: stxv v21, 48(r1) # 16-byte Folded Spill
; CHECK-PWR9-NEXT: #APP
; CHECK-PWR9-NEXT: add r3, r3, r4
; CHECK-PWR9-NEXT: #NO_APP
; CHECK-PWR9-NEXT: extsw r3, r3
; CHECK-PWR9-NEXT: bl callee
; CHECK-PWR9-NEXT: nop
; CHECK-PWR9-NEXT: lxv v21, 48(r1) # 16-byte Folded Reload
; CHECK-PWR9-NEXT: lxv v20, 32(r1) # 16-byte Folded Reload
; CHECK-PWR9-NEXT: addi r1, r1, 224
; CHECK-PWR9-NEXT: ld r0, 16(r1)
; CHECK-PWR9-NEXT: mtlr r0
; CHECK-PWR9-NEXT: blr
entry:
%0 = tail call i32 asm "add $0, $1, $2", "=r,r,r,~{vs52},~{vs53}"(i32 %a, i32 %b)
%call = tail call signext i32 @callee(i32 signext %0)
ret i32 %call
}
define dso_local signext i32 @caller_mixed(i32 signext %a, i32 signext %b) local_unnamed_addr {
; CHECK-PWR8-LABEL: caller_mixed:
; CHECK-PWR8: # %bb.0: # %entry
; CHECK-PWR8-NEXT: mflr r0
; CHECK-PWR8-NEXT: stdu r1, -528(r1)
; CHECK-PWR8-NEXT: std r0, 544(r1)
; CHECK-PWR8-NEXT: .cfi_def_cfa_offset 528
; CHECK-PWR8-NEXT: .cfi_offset lr, 16
; CHECK-PWR8-NEXT: .cfi_offset r14, -288
; CHECK-PWR8-NEXT: .cfi_offset f14, -144
; CHECK-PWR8-NEXT: .cfi_offset v20, -480
; CHECK-PWR8-NEXT: .cfi_offset v21, -464
; CHECK-PWR8-NEXT: li r5, 48
; CHECK-PWR8-NEXT: std r14, 240(r1) # 8-byte Folded Spill
; CHECK-PWR8-NEXT: stfd f14, 384(r1) # 8-byte Folded Spill
; CHECK-PWR8-NEXT: stvx v20, r1, r5 # 16-byte Folded Spill
; CHECK-PWR8-NEXT: li r5, 64
; CHECK-PWR8-NEXT: stvx v21, r1, r5 # 16-byte Folded Spill
; CHECK-PWR8-NEXT: #APP
; CHECK-PWR8-NEXT: add r3, r3, r4
; CHECK-PWR8-NEXT: #NO_APP
; CHECK-PWR8-NEXT: extsw r3, r3
; CHECK-PWR8-NEXT: bl callee
; CHECK-PWR8-NEXT: nop
; CHECK-PWR8-NEXT: li r4, 64
; CHECK-PWR8-NEXT: lfd f14, 384(r1) # 8-byte Folded Reload
; CHECK-PWR8-NEXT: ld r14, 240(r1) # 8-byte Folded Reload
; CHECK-PWR8-NEXT: lvx v21, r1, r4 # 16-byte Folded Reload
; CHECK-PWR8-NEXT: li r4, 48
; CHECK-PWR8-NEXT: lvx v20, r1, r4 # 16-byte Folded Reload
; CHECK-PWR8-NEXT: addi r1, r1, 528
; CHECK-PWR8-NEXT: ld r0, 16(r1)
; CHECK-PWR8-NEXT: mtlr r0
; CHECK-PWR8-NEXT: blr
;
; CHECK-PWR9-LABEL: caller_mixed:
; CHECK-PWR9: # %bb.0: # %entry
; CHECK-PWR9-NEXT: mflr r0
; CHECK-PWR9-NEXT: stdu r1, -512(r1)
; CHECK-PWR9-NEXT: std r0, 528(r1)
; CHECK-PWR9-NEXT: .cfi_def_cfa_offset 512
; CHECK-PWR9-NEXT: .cfi_offset lr, 16
; CHECK-PWR9-NEXT: .cfi_offset r14, -288
; CHECK-PWR9-NEXT: .cfi_offset f14, -144
; CHECK-PWR9-NEXT: .cfi_offset v20, -480
; CHECK-PWR9-NEXT: .cfi_offset v21, -464
; CHECK-PWR9-NEXT: std r14, 224(r1) # 8-byte Folded Spill
; CHECK-PWR9-NEXT: stfd f14, 368(r1) # 8-byte Folded Spill
; CHECK-PWR9-NEXT: stxv v20, 32(r1) # 16-byte Folded Spill
; CHECK-PWR9-NEXT: stxv v21, 48(r1) # 16-byte Folded Spill
; CHECK-PWR9-NEXT: #APP
; CHECK-PWR9-NEXT: add r3, r3, r4
; CHECK-PWR9-NEXT: #NO_APP
; CHECK-PWR9-NEXT: extsw r3, r3
; CHECK-PWR9-NEXT: bl callee
; CHECK-PWR9-NEXT: nop
; CHECK-PWR9-NEXT: lxv v21, 48(r1) # 16-byte Folded Reload
; CHECK-PWR9-NEXT: lxv v20, 32(r1) # 16-byte Folded Reload
; CHECK-PWR9-NEXT: lfd f14, 368(r1) # 8-byte Folded Reload
; CHECK-PWR9-NEXT: ld r14, 224(r1) # 8-byte Folded Reload
; CHECK-PWR9-NEXT: addi r1, r1, 512
; CHECK-PWR9-NEXT: ld r0, 16(r1)
; CHECK-PWR9-NEXT: mtlr r0
; CHECK-PWR9-NEXT: blr
entry:
%0 = tail call i32 asm "add $0, $1, $2", "=r,r,r,~{r14},~{f14},~{v20},~{vs53}"(i32 %a, i32 %b)
%call = tail call signext i32 @callee(i32 signext %0)
ret i32 %call
}