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llvm-mirror/test/CodeGen/SystemZ/anyregcc.ll
Ulrich Weigand 124bd48b88 [SystemZ] Add support for anyregcc calling convention 
This adds back-end support for the anyregcc calling convention
for use with patchpoints.

Since all registers are considered call-saved with anyregcc
(except for 0 and 1 which may still be clobbered by PLT stubs
and the like), this required adding support for saving and
restoring vector registers in prologue/epilogue code for the
first time.  This is not used by any other calling convention.

llvm-svn: 326612
2018-03-02 20:40:11 +00:00

450 lines
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
; Stackmap Header: no constants - 6 callsites
; CHECK: .section .llvm_stackmaps
; CHECK-NEXT: __LLVM_StackMaps:
; Header
; CHECK-NEXT: .byte 3
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 0
; Num Functions
; CHECK-NEXT: .long 8
; Num Constants
; CHECK-NEXT: .long 0
; Num Callsites
; CHECK-NEXT: .long 8
; Functions and stack size
; CHECK-NEXT: .quad test
; CHECK-NEXT: .quad 160
; CHECK-NEXT: .quad 1
; CHECK-NEXT: .quad property_access1
; CHECK-NEXT: .quad 160
; CHECK-NEXT: .quad 1
; CHECK-NEXT: .quad property_access2
; CHECK-NEXT: .quad 168
; CHECK-NEXT: .quad 1
; CHECK-NEXT: .quad property_access3
; CHECK-NEXT: .quad 168
; CHECK-NEXT: .quad 1
; CHECK-NEXT: .quad anyreg_test1
; CHECK-NEXT: .quad 160
; CHECK-NEXT: .quad 1
; CHECK-NEXT: .quad anyreg_test2
; CHECK-NEXT: .quad 160
; CHECK-NEXT: .quad 1
; CHECK-NEXT: .quad patchpoint_spilldef
; CHECK-NEXT: .quad 168
; CHECK-NEXT: .quad 1
; CHECK-NEXT: .quad patchpoint_spillargs
; CHECK-NEXT: .quad 192
; CHECK-NEXT: .quad 1
; No constants
; Callsites
; test
; CHECK: .long .L{{.*}}-test
; CHECK-NEXT: .short 0
; 3 locations
; CHECK-NEXT: .short 3
; Loc 0: Register
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 4
; CHECK-NEXT: .short {{[0-9]+}}
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
; Loc 1: Register
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 4
; CHECK-NEXT: .short {{[0-9]+}}
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
; Loc 2: Constant 3
; CHECK-NEXT: .byte 4
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short 0
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 3
define i64 @test() nounwind ssp uwtable {
entry:
call anyregcc void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 0, i32 14, i8* null, i32 2, i32 1, i32 2, i64 3)
ret i64 0
}
; property access 1 - %obj is an anyreg call argument and should therefore be in a register
; CHECK: .long .L{{.*}}-property_access1
; CHECK-NEXT: .short 0
; 2 locations
; CHECK-NEXT: .short 2
; Loc 0: Register <-- this is the return register
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short {{[0-9]+}}
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
; Loc 1: Register
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short {{[0-9]+}}
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
define i64 @property_access1(i8* %obj) nounwind ssp uwtable {
entry:
%f = inttoptr i64 12297829382473034410 to i8*
%ret = call anyregcc i64 (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.i64(i64 1, i32 14, i8* %f, i32 1, i8* %obj)
ret i64 %ret
}
; property access 2 - %obj is an anyreg call argument and should therefore be in a register
; CHECK: .long .L{{.*}}-property_access2
; CHECK-NEXT: .short 0
; 2 locations
; CHECK-NEXT: .short 2
; Loc 0: Register <-- this is the return register
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short {{[0-9]+}}
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
; Loc 1: Register
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short {{[0-9]+}}
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
define i64 @property_access2() nounwind ssp uwtable {
entry:
%obj = alloca i64, align 8
%f = inttoptr i64 12297829382473034410 to i8*
%ret = call anyregcc i64 (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.i64(i64 2, i32 14, i8* %f, i32 1, i64* %obj)
ret i64 %ret
}
; property access 3 - %obj is a frame index
; CHECK: .long .L{{.*}}-property_access3
; CHECK-NEXT: .short 0
; 2 locations
; CHECK-NEXT: .short 2
; Loc 0: Register <-- this is the return register
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short {{[0-9]+}}
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
; Loc 1: Direct %r15 + 160
; CHECK-NEXT: .byte 2
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short 15
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 160
define i64 @property_access3() nounwind ssp uwtable {
entry:
%obj = alloca i64, align 8
%f = inttoptr i64 12297829382473034410 to i8*
%ret = call anyregcc i64 (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.i64(i64 3, i32 14, i8* %f, i32 0, i64* %obj)
ret i64 %ret
}
; anyreg_test1
; CHECK: .long .L{{.*}}-anyreg_test1
; CHECK-NEXT: .short 0
; 13 locations
; CHECK-NEXT: .short 13
; Loc 0: Register <-- this is the return register
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short {{[0-9]+}}
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
; Loc 1: Register
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short {{[0-9]+}}
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
; Loc 2: Register
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short {{[0-9]+}}
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
; Loc 3: Register
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short {{[0-9]+}}
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
; Loc 4: Register
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short {{[0-9]+}}
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
; Loc 5: Register
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short {{[0-9]+}}
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
; Loc 6: Register
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short {{[0-9]+}}
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
; Loc 7: Register
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short {{[0-9]+}}
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
; Loc 8: Register
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short {{[0-9]+}}
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
; Loc 9: Register
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short {{[0-9]+}}
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
; Loc 10: Register
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short {{[0-9]+}}
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
; Loc 11: Register
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short {{[0-9]+}}
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
; Loc 12: Register
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short {{[0-9]+}}
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
define i64 @anyreg_test1(i8* %a1, i8* %a2, i8* %a3, i8* %a4, i8* %a5, i8* %a6, i8* %a7, i8* %a8, i8* %a9, i8* %a10, i8* %a11, i8* %a12) nounwind ssp uwtable {
entry:
%f = inttoptr i64 12297829382473034410 to i8*
%ret = call anyregcc i64 (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.i64(i64 4, i32 14, i8* %f, i32 12, i8* %a1, i8* %a2, i8* %a3, i8* %a4, i8* %a5, i8* %a6, i8* %a7, i8* %a8, i8* %a9, i8* %a10, i8* %a11, i8* %a12)
ret i64 %ret
}
; anyreg_test2
; CHECK: .long .L{{.*}}-anyreg_test2
; CHECK-NEXT: .short 0
; 13 locations
; CHECK-NEXT: .short 13
; Loc 0: Register <-- this is the return register
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short {{[0-9]+}}
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
; Loc 1: Register
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short {{[0-9]+}}
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
; Loc 2: Register
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short {{[0-9]+}}
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
; Loc 3: Register
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short {{[0-9]+}}
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
; Loc 4: Register
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short {{[0-9]+}}
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
; Loc 5: Register
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short {{[0-9]+}}
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
; Loc 6: Register
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short {{[0-9]+}}
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
; Loc 7: Register
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short {{[0-9]+}}
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
; Loc 8: Register
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short {{[0-9]+}}
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
; Loc 9: Register
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short {{[0-9]+}}
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
; Loc 10: Register
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short {{[0-9]+}}
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
; Loc 11: Register
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short {{[0-9]+}}
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
; Loc 12: Register
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short {{[0-9]+}}
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
define i64 @anyreg_test2(i8* %a1, i8* %a2, i8* %a3, i8* %a4, i8* %a5, i8* %a6, i8* %a7, i8* %a8, i8* %a9, i8* %a10, i8* %a11, i8* %a12) nounwind ssp uwtable {
entry:
%f = inttoptr i64 12297829382473034410 to i8*
%ret = call anyregcc i64 (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.i64(i64 5, i32 14, i8* %f, i32 8, i8* %a1, i8* %a2, i8* %a3, i8* %a4, i8* %a5, i8* %a6, i8* %a7, i8* %a8, i8* %a9, i8* %a10, i8* %a11, i8* %a12)
ret i64 %ret
}
; Test spilling the return value of an anyregcc call.
;
; <rdar://problem/15432754> [JS] Assertion: "Folded a def to a non-store!"
;
; CHECK: .long .L{{.*}}-patchpoint_spilldef
; CHECK-NEXT: .short 0
; CHECK-NEXT: .short 3
; Loc 0: Register (some register that will be spilled to the stack)
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short {{[0-9]+}}
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
; Loc 1: Register %r2
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short 2
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
; Loc 1: Register %r3
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short 3
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
define i64 @patchpoint_spilldef(i64 %p1, i64 %p2, i64 %p3, i64 %p4) {
entry:
%result = tail call anyregcc i64 (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.i64(i64 12, i32 14, i8* inttoptr (i64 0 to i8*), i32 2, i64 %p1, i64 %p2)
tail call void asm sideeffect "nopr %r0", "~{r0},~{r1},~{r2},~{r3},~{r4},~{r5},~{r6},~{r7},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14}"() nounwind
ret i64 %result
}
; Test spilling the arguments of an anyregcc call.
;
; <rdar://problem/15487687> [JS] AnyRegCC argument ends up being spilled
;
; CHECK: .long .L{{.*}}-patchpoint_spillargs
; CHECK-NEXT: .short 0
; CHECK-NEXT: .short 5
; Loc 0: Return a register
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short {{[0-9]+}}
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
; Loc 1: Arg0 in a Register
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short {{[0-9]+}}
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
; Loc 2: Arg1 in a Register
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short {{[0-9]+}}
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
; Loc 3: Arg2 spilled to %r15 +
; CHECK-NEXT: .byte 3
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short 15
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long
; Loc 4: Arg3 spilled to %r15 +
; CHECK-NEXT: .byte 3
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short 15
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long
define i64 @patchpoint_spillargs(i64 %p1, i64 %p2, i64 %p3, i64 %p4) {
entry:
tail call void asm sideeffect "nopr %r0", "~{r0},~{r1},~{r2},~{r3},~{r4},~{r5},~{r6},~{r7},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14}"() nounwind
%result = tail call anyregcc i64 (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.i64(i64 13, i32 14, i8* inttoptr (i64 0 to i8*), i32 2, i64 %p1, i64 %p2, i64 %p3, i64 %p4)
ret i64 %result
}
declare void @llvm.experimental.patchpoint.void(i64, i32, i8*, i32, ...)
declare i64 @llvm.experimental.patchpoint.i64(i64, i32, i8*, i32, ...)
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