mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-22 18:54:02 +01:00
f7cad0a97a
Summary: If we didn't set the value for hasSideEffects bit in our td file, `llvm-tblgen` will set it as true for those instructions which has no match pattern. The instructions `MTLR` and `MFLR` don't set the hasSideEffects flag and don't have match pattern, so their hasSideEffects flag will be set true by `llvm-tblgen`. But in fact, we can use `[LR]` to model the two instructions, so they should not have SideEffects. This patch is to modify the hasSideEffects of MTLR and MFLR from 1 to 0. Reviewed By: jsji Differential Revision: https://reviews.llvm.org/D71390
264 lines
9.1 KiB
LLVM
264 lines
9.1 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
|
|
; RUN: llc -verify-machineinstrs -ppc-vsr-nums-as-vr -ppc-asm-full-reg-names \
|
|
; RUN: -mtriple=powerpc64le-unknown-linux-gnu -mcpu=pwr9 < %s | FileCheck %s --check-prefix=CHECK-PWR9
|
|
; RUN: llc -verify-machineinstrs -ppc-vsr-nums-as-vr -ppc-asm-full-reg-names \
|
|
; RUN: -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr8 < %s | FileCheck %s
|
|
|
|
; Check CSR split can work properly for tests below.
|
|
|
|
@a = dso_local local_unnamed_addr global i32 0, align 4
|
|
|
|
define dso_local signext i32 @test1(i32* %b) local_unnamed_addr {
|
|
; CHECK-PWR9-LABEL: test1:
|
|
; CHECK-PWR9: # %bb.0: # %entry
|
|
; CHECK-PWR9-NEXT: mflr r0
|
|
; CHECK-PWR9-NEXT: .cfi_def_cfa_offset 48
|
|
; CHECK-PWR9-NEXT: .cfi_offset lr, 16
|
|
; CHECK-PWR9-NEXT: .cfi_offset r30, -16
|
|
; CHECK-PWR9-NEXT: std r30, -16(r1) # 8-byte Folded Spill
|
|
; CHECK-PWR9-NEXT: std r0, 16(r1)
|
|
; CHECK-PWR9-NEXT: stdu r1, -48(r1)
|
|
; CHECK-PWR9-NEXT: mr r30, r3
|
|
; CHECK-PWR9-NEXT: addis r3, r2, a@toc@ha
|
|
; CHECK-PWR9-NEXT: lwa r3, a@toc@l(r3)
|
|
; CHECK-PWR9-NEXT: cmpld r3, r30
|
|
; CHECK-PWR9-NEXT: # implicit-def: $r3
|
|
; CHECK-PWR9-NEXT: bne cr0, .LBB0_2
|
|
; CHECK-PWR9-NEXT: # %bb.1: # %if.then
|
|
; CHECK-PWR9-NEXT: bl callVoid
|
|
; CHECK-PWR9-NEXT: nop
|
|
; CHECK-PWR9-NEXT: mr r3, r30
|
|
; CHECK-PWR9-NEXT: bl callNonVoid
|
|
; CHECK-PWR9-NEXT: nop
|
|
; CHECK-PWR9-NEXT: .LBB0_2: # %if.end
|
|
; CHECK-PWR9-NEXT: extsw r3, r3
|
|
; CHECK-PWR9-NEXT: addi r1, r1, 48
|
|
; CHECK-PWR9-NEXT: ld r0, 16(r1)
|
|
; CHECK-PWR9-NEXT: ld r30, -16(r1) # 8-byte Folded Reload
|
|
; CHECK-PWR9-NEXT: mtlr r0
|
|
; CHECK-PWR9-NEXT: blr
|
|
;
|
|
; CHECK-LABEL: test1:
|
|
; CHECK: # %bb.0: # %entry
|
|
; CHECK-NEXT: mflr r0
|
|
; CHECK-NEXT: std r0, 16(r1)
|
|
; CHECK-NEXT: stdu r1, -128(r1)
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 128
|
|
; CHECK-NEXT: .cfi_offset lr, 16
|
|
; CHECK-NEXT: .cfi_offset r30, -16
|
|
; CHECK-NEXT: addis r4, r2, a@toc@ha
|
|
; CHECK-NEXT: std r30, 112(r1) # 8-byte Folded Spill
|
|
; CHECK-NEXT: mr r30, r3
|
|
; CHECK-NEXT: lwa r4, a@toc@l(r4)
|
|
; CHECK-NEXT: cmpld r4, r3
|
|
; CHECK-NEXT: # implicit-def: $r3
|
|
; CHECK-NEXT: bne cr0, .LBB0_2
|
|
; CHECK-NEXT: # %bb.1: # %if.then
|
|
; CHECK-NEXT: bl callVoid
|
|
; CHECK-NEXT: nop
|
|
; CHECK-NEXT: mr r3, r30
|
|
; CHECK-NEXT: bl callNonVoid
|
|
; CHECK-NEXT: nop
|
|
; CHECK-NEXT: .LBB0_2: # %if.end
|
|
; CHECK-NEXT: ld r30, 112(r1) # 8-byte Folded Reload
|
|
; CHECK-NEXT: extsw r3, r3
|
|
; CHECK-NEXT: addi r1, r1, 128
|
|
; CHECK-NEXT: ld r0, 16(r1)
|
|
; CHECK-NEXT: mtlr r0
|
|
; CHECK-NEXT: blr
|
|
entry:
|
|
%0 = load i32, i32* @a, align 4, !tbaa !2
|
|
%conv = sext i32 %0 to i64
|
|
%1 = inttoptr i64 %conv to i32*
|
|
%cmp = icmp eq i32* %1, %b
|
|
br i1 %cmp, label %if.then, label %if.end
|
|
|
|
if.then: ; preds = %entry
|
|
%call = tail call signext i32 bitcast (i32 (...)* @callVoid to i32 ()*)()
|
|
%call2 = tail call signext i32 @callNonVoid(i32* %b)
|
|
br label %if.end
|
|
|
|
if.end: ; preds = %if.then, %entry
|
|
%retval.0 = phi i32 [ %call2, %if.then ], [ undef, %entry ]
|
|
ret i32 %retval.0
|
|
}
|
|
|
|
declare signext i32 @callVoid(...) local_unnamed_addr
|
|
|
|
declare signext i32 @callNonVoid(i32*) local_unnamed_addr
|
|
|
|
define dso_local signext i32 @test2(i32* %p1) local_unnamed_addr {
|
|
; CHECK-PWR9-LABEL: test2:
|
|
; CHECK-PWR9: # %bb.0: # %entry
|
|
; CHECK-PWR9-NEXT: mflr r0
|
|
; CHECK-PWR9-NEXT: .cfi_def_cfa_offset 48
|
|
; CHECK-PWR9-NEXT: .cfi_offset lr, 16
|
|
; CHECK-PWR9-NEXT: .cfi_offset r30, -16
|
|
; CHECK-PWR9-NEXT: std r30, -16(r1) # 8-byte Folded Spill
|
|
; CHECK-PWR9-NEXT: std r0, 16(r1)
|
|
; CHECK-PWR9-NEXT: stdu r1, -48(r1)
|
|
; CHECK-PWR9-NEXT: mr r30, r3
|
|
; CHECK-PWR9-NEXT: li r3, 0
|
|
; CHECK-PWR9-NEXT: cmpldi r30, 0
|
|
; CHECK-PWR9-NEXT: beq cr0, .LBB1_3
|
|
; CHECK-PWR9-NEXT: # %bb.1: # %if.end
|
|
; CHECK-PWR9-NEXT: addis r4, r2, a@toc@ha
|
|
; CHECK-PWR9-NEXT: lwa r4, a@toc@l(r4)
|
|
; CHECK-PWR9-NEXT: cmpld r4, r30
|
|
; CHECK-PWR9-NEXT: bne cr0, .LBB1_3
|
|
; CHECK-PWR9-NEXT: # %bb.2: # %if.then2
|
|
; CHECK-PWR9-NEXT: bl callVoid
|
|
; CHECK-PWR9-NEXT: nop
|
|
; CHECK-PWR9-NEXT: mr r3, r30
|
|
; CHECK-PWR9-NEXT: bl callNonVoid
|
|
; CHECK-PWR9-NEXT: nop
|
|
; CHECK-PWR9-NEXT: .LBB1_3: # %return
|
|
; CHECK-PWR9-NEXT: extsw r3, r3
|
|
; CHECK-PWR9-NEXT: addi r1, r1, 48
|
|
; CHECK-PWR9-NEXT: ld r0, 16(r1)
|
|
; CHECK-PWR9-NEXT: ld r30, -16(r1) # 8-byte Folded Reload
|
|
; CHECK-PWR9-NEXT: mtlr r0
|
|
; CHECK-PWR9-NEXT: blr
|
|
;
|
|
; CHECK-LABEL: test2:
|
|
; CHECK: # %bb.0: # %entry
|
|
; CHECK-NEXT: mflr r0
|
|
; CHECK-NEXT: std r0, 16(r1)
|
|
; CHECK-NEXT: stdu r1, -128(r1)
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 128
|
|
; CHECK-NEXT: .cfi_offset lr, 16
|
|
; CHECK-NEXT: .cfi_offset r30, -16
|
|
; CHECK-NEXT: std r30, 112(r1) # 8-byte Folded Spill
|
|
; CHECK-NEXT: mr r30, r3
|
|
; CHECK-NEXT: cmpldi r3, 0
|
|
; CHECK-NEXT: li r3, 0
|
|
; CHECK-NEXT: beq cr0, .LBB1_3
|
|
; CHECK-NEXT: # %bb.1: # %if.end
|
|
; CHECK-NEXT: addis r4, r2, a@toc@ha
|
|
; CHECK-NEXT: lwa r4, a@toc@l(r4)
|
|
; CHECK-NEXT: cmpld r4, r30
|
|
; CHECK-NEXT: bne cr0, .LBB1_3
|
|
; CHECK-NEXT: # %bb.2: # %if.then2
|
|
; CHECK-NEXT: bl callVoid
|
|
; CHECK-NEXT: nop
|
|
; CHECK-NEXT: mr r3, r30
|
|
; CHECK-NEXT: bl callNonVoid
|
|
; CHECK-NEXT: nop
|
|
; CHECK-NEXT: .LBB1_3: # %return
|
|
; CHECK-NEXT: ld r30, 112(r1) # 8-byte Folded Reload
|
|
; CHECK-NEXT: extsw r3, r3
|
|
; CHECK-NEXT: addi r1, r1, 128
|
|
; CHECK-NEXT: ld r0, 16(r1)
|
|
; CHECK-NEXT: mtlr r0
|
|
; CHECK-NEXT: blr
|
|
entry:
|
|
%tobool = icmp eq i32* %p1, null
|
|
br i1 %tobool, label %return, label %if.end
|
|
|
|
if.end: ; preds = %entry
|
|
%0 = load i32, i32* @a, align 4, !tbaa !2
|
|
%conv = sext i32 %0 to i64
|
|
%1 = inttoptr i64 %conv to i32*
|
|
%cmp = icmp eq i32* %1, %p1
|
|
br i1 %cmp, label %if.then2, label %return
|
|
|
|
if.then2: ; preds = %if.end
|
|
%call = tail call signext i32 bitcast (i32 (...)* @callVoid to i32 ()*)()
|
|
%call3 = tail call signext i32 @callNonVoid(i32* nonnull %p1)
|
|
br label %return
|
|
|
|
return: ; preds = %if.end, %entry, %if.then2
|
|
%retval.0 = phi i32 [ %call3, %if.then2 ], [ 0, %entry ], [ 0, %if.end ]
|
|
ret i32 %retval.0
|
|
}
|
|
|
|
|
|
define dso_local i8* @test3(i8** nocapture %p1, i8 zeroext %p2) local_unnamed_addr {
|
|
; CHECK-PWR9-LABEL: test3:
|
|
; CHECK-PWR9: # %bb.0: # %entry
|
|
; CHECK-PWR9-NEXT: mflr r0
|
|
; CHECK-PWR9-NEXT: .cfi_def_cfa_offset 64
|
|
; CHECK-PWR9-NEXT: .cfi_offset lr, 16
|
|
; CHECK-PWR9-NEXT: .cfi_offset r29, -24
|
|
; CHECK-PWR9-NEXT: .cfi_offset r30, -16
|
|
; CHECK-PWR9-NEXT: std r29, -24(r1) # 8-byte Folded Spill
|
|
; CHECK-PWR9-NEXT: std r30, -16(r1) # 8-byte Folded Spill
|
|
; CHECK-PWR9-NEXT: std r0, 16(r1)
|
|
; CHECK-PWR9-NEXT: stdu r1, -64(r1)
|
|
; CHECK-PWR9-NEXT: ld r30, 0(r3)
|
|
; CHECK-PWR9-NEXT: cmpldi r30, 0
|
|
; CHECK-PWR9-NEXT: beq cr0, .LBB2_2
|
|
; CHECK-PWR9-NEXT: # %bb.1: # %land.rhs
|
|
; CHECK-PWR9-NEXT: mr r29, r3
|
|
; CHECK-PWR9-NEXT: clrldi r4, r4, 32
|
|
; CHECK-PWR9-NEXT: mr r3, r30
|
|
; CHECK-PWR9-NEXT: bl bar
|
|
; CHECK-PWR9-NEXT: nop
|
|
; CHECK-PWR9-NEXT: std r3, 0(r29)
|
|
; CHECK-PWR9-NEXT: .LBB2_2: # %land.end
|
|
; CHECK-PWR9-NEXT: mr r3, r30
|
|
; CHECK-PWR9-NEXT: addi r1, r1, 64
|
|
; CHECK-PWR9-NEXT: ld r0, 16(r1)
|
|
; CHECK-PWR9-NEXT: ld r30, -16(r1) # 8-byte Folded Reload
|
|
; CHECK-PWR9-NEXT: ld r29, -24(r1) # 8-byte Folded Reload
|
|
; CHECK-PWR9-NEXT: mtlr r0
|
|
; CHECK-PWR9-NEXT: blr
|
|
;
|
|
; CHECK-LABEL: test3:
|
|
; CHECK: # %bb.0: # %entry
|
|
; CHECK-NEXT: mflr r0
|
|
; CHECK-NEXT: std r0, 16(r1)
|
|
; CHECK-NEXT: stdu r1, -144(r1)
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 144
|
|
; CHECK-NEXT: .cfi_offset lr, 16
|
|
; CHECK-NEXT: .cfi_offset r29, -24
|
|
; CHECK-NEXT: .cfi_offset r30, -16
|
|
; CHECK-NEXT: std r30, 128(r1) # 8-byte Folded Spill
|
|
; CHECK-NEXT: ld r30, 0(r3)
|
|
; CHECK-NEXT: std r29, 120(r1) # 8-byte Folded Spill
|
|
; CHECK-NEXT: cmpldi r30, 0
|
|
; CHECK-NEXT: beq cr0, .LBB2_2
|
|
; CHECK-NEXT: # %bb.1: # %land.rhs
|
|
; CHECK-NEXT: mr r29, r3
|
|
; CHECK-NEXT: clrldi r4, r4, 32
|
|
; CHECK-NEXT: mr r3, r30
|
|
; CHECK-NEXT: bl bar
|
|
; CHECK-NEXT: nop
|
|
; CHECK-NEXT: std r3, 0(r29)
|
|
; CHECK-NEXT: .LBB2_2: # %land.end
|
|
; CHECK-NEXT: mr r3, r30
|
|
; CHECK-NEXT: ld r30, 128(r1) # 8-byte Folded Reload
|
|
; CHECK-NEXT: ld r29, 120(r1) # 8-byte Folded Reload
|
|
; CHECK-NEXT: addi r1, r1, 144
|
|
; CHECK-NEXT: ld r0, 16(r1)
|
|
; CHECK-NEXT: mtlr r0
|
|
; CHECK-NEXT: blr
|
|
entry:
|
|
%0 = load i8*, i8** %p1, align 8, !tbaa !6
|
|
%tobool = icmp eq i8* %0, null
|
|
br i1 %tobool, label %land.end, label %land.rhs
|
|
|
|
land.rhs: ; preds = %entry
|
|
%call = tail call i8* @bar(i8* nonnull %0, i8 zeroext %p2)
|
|
store i8* %call, i8** %p1, align 8, !tbaa !6
|
|
br label %land.end
|
|
|
|
land.end: ; preds = %entry, %land.rhs
|
|
ret i8* %0
|
|
}
|
|
|
|
declare i8* @bar(i8*, i8 zeroext) local_unnamed_addr
|
|
|
|
|
|
!llvm.module.flags = !{!0}
|
|
!llvm.ident = !{!1}
|
|
|
|
!0 = !{i32 1, !"wchar_size", i32 4}
|
|
!1 = !{!"clang version 10.0.0 (trunk 367381) (llvm/trunk 367388)"}
|
|
!2 = !{!3, !3, i64 0}
|
|
!3 = !{!"int", !4, i64 0}
|
|
!4 = !{!"omnipotent char", !5, i64 0}
|
|
!5 = !{!"Simple C/C++ TBAA"}
|
|
!6 = !{!7, !7, i64 0}
|
|
!7 = !{!"any pointer", !4, i64 0}
|