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llvm/test/CodeGen/AArch64/arm64-stackmap.ll
Sanjoy Das edb3c90b17 [StackMaps] Increase the size of the "location size" field 
Summary:
In some cases LLVM (especially the SLP vectorizer) will create vectors
that are 256 bytes (or larger).  Given that this is intentional[0] is
likely to get more common, this patch updates the StackMap binary
format to deal with the spill locations for said vectors.

This change also bumps the stack map version from 2 to 3.

[0]: https://reviews.llvm.org/D32533#738350

Reviewers: reames, kavon, skatkov, javed.absar

Subscribers: mcrosier, nemanjai, llvm-commits

Differential Revision: https://reviews.llvm.org/D32629

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@301615 91177308-0d34-0410-b5e6-96231b3b80d8
2017-04-28 04:48:42 +00:00

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; RUN: llc -mtriple=arm64-apple-darwin -mattr=+reserve-x18 < %s | FileCheck %s
; RUN: llc -mtriple=arm64-apple-darwin -mattr=+reserve-x18 -fast-isel -fast-isel-abort=1 < %s | FileCheck %s
;
; Note: Print verbose stackmaps using -debug-only=stackmaps.
; We are not getting the correct stack alignment when cross compiling for arm64.
; So specify a datalayout here.
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
; CHECK-LABEL: .section __LLVM_STACKMAPS,__llvm_stackmaps
; CHECK-NEXT: __LLVM_StackMaps:
; Header
; CHECK-NEXT: .byte 3
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 0
; Num Functions
; CHECK-NEXT: .long 11
; Num LargeConstants
; CHECK-NEXT: .long 2
; Num Callsites
; CHECK-NEXT: .long 11
; Functions and stack size
; CHECK-NEXT: .quad _constantargs
; CHECK-NEXT: .quad 16
; CHECK-NEXT: .quad 1
; CHECK-NEXT: .quad _osrinline
; CHECK-NEXT: .quad 32
; CHECK-NEXT: .quad 1
; CHECK-NEXT: .quad _osrcold
; CHECK-NEXT: .quad 16
; CHECK-NEXT: .quad 1
; CHECK-NEXT: .quad _propertyRead
; CHECK-NEXT: .quad 16
; CHECK-NEXT: .quad 1
; CHECK-NEXT: .quad _propertyWrite
; CHECK-NEXT: .quad 16
; CHECK-NEXT: .quad 1
; CHECK-NEXT: .quad _jsVoidCall
; CHECK-NEXT: .quad 16
; CHECK-NEXT: .quad 1
; CHECK-NEXT: .quad _jsIntCall
; CHECK-NEXT: .quad 16
; CHECK-NEXT: .quad 1
; CHECK-NEXT: .quad _spilledValue
; CHECK-NEXT: .quad 160
; CHECK-NEXT: .quad 1
; CHECK-NEXT: .quad _spilledStackMapValue
; CHECK-NEXT: .quad 128
; CHECK-NEXT: .quad 1
; CHECK-NEXT: .quad _liveConstant
; CHECK-NEXT: .quad 16
; CHECK-NEXT: .quad 1
; CHECK-NEXT: .quad _clobberLR
; CHECK-NEXT: .quad 112
; CHECK-NEXT: .quad 1
; Num LargeConstants
; CHECK-NEXT: .quad 4294967295
; CHECK-NEXT: .quad 4294967296
; Constant arguments
;
; CHECK-NEXT: .quad 1
; CHECK-NEXT: .long L{{.*}}-_constantargs
; CHECK-NEXT: .short 0
; CHECK-NEXT: .short 4
; SmallConstant
; CHECK-NEXT: .byte 4
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short 0
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 65535
; SmallConstant
; CHECK-NEXT: .byte 4
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short 0
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 65536
; SmallConstant
; CHECK-NEXT: .byte 5
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short 0
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
; LargeConstant at index 0
; CHECK-NEXT: .byte 5
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short 0
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 1
define void @constantargs() {
entry:
%0 = inttoptr i64 244837814094590 to i8*
tail call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 1, i32 20, i8* %0, i32 0, i64 65535, i64 65536, i64 4294967295, i64 4294967296)
ret void
}
; Inline OSR Exit
;
; CHECK-LABEL: .long L{{.*}}-_osrinline
; CHECK-NEXT: .short 0
; CHECK-NEXT: .short 2
; 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
; 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 void @osrinline(i64 %a, i64 %b) {
entry:
; Runtime void->void call.
call void inttoptr (i64 244837814094590 to void ()*)()
; Followed by inline OSR patchpoint with 12-byte shadow and 2 live vars.
call void (i64, i32, ...) @llvm.experimental.stackmap(i64 3, i32 12, i64 %a, i64 %b)
ret void
}
; Cold OSR Exit
;
; 2 live variables in register.
;
; CHECK-LABEL: .long L{{.*}}-_osrcold
; CHECK-NEXT: .short 0
; CHECK-NEXT: .short 2
; 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
; 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 void @osrcold(i64 %a, i64 %b) {
entry:
%test = icmp slt i64 %a, %b
br i1 %test, label %ret, label %cold
cold:
; OSR patchpoint with 12-byte nop-slide and 2 live vars.
%thunk = inttoptr i64 244837814094590 to i8*
call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 4, i32 20, i8* %thunk, i32 0, i64 %a, i64 %b)
unreachable
ret:
ret void
}
; Property Read
; CHECK-LABEL: .long L{{.*}}-_propertyRead
; CHECK-NEXT: .short 0
; CHECK-NEXT: .short 0
;
; FIXME: There are currently no stackmap entries. After moving to
; AnyRegCC, we will have entries for the object and return value.
define i64 @propertyRead(i64* %obj) {
entry:
%resolveRead = inttoptr i64 244837814094590 to i8*
%result = call i64 (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.i64(i64 5, i32 20, i8* %resolveRead, i32 1, i64* %obj)
%add = add i64 %result, 3
ret i64 %add
}
; Property Write
; CHECK-LABEL: .long L{{.*}}-_propertyWrite
; CHECK-NEXT: .short 0
; CHECK-NEXT: .short 2
; 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
; 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 void @propertyWrite(i64 %dummy1, i64* %obj, i64 %dummy2, i64 %a) {
entry:
%resolveWrite = inttoptr i64 244837814094590 to i8*
call anyregcc void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 6, i32 20, i8* %resolveWrite, i32 2, i64* %obj, i64 %a)
ret void
}
; Void JS Call
;
; 2 live variables in registers.
;
; CHECK-LABEL: .long L{{.*}}-_jsVoidCall
; CHECK-NEXT: .short 0
; CHECK-NEXT: .short 2
; 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
; 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 void @jsVoidCall(i64 %dummy1, i64* %obj, i64 %arg, i64 %l1, i64 %l2) {
entry:
%resolveCall = inttoptr i64 244837814094590 to i8*
call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 7, i32 20, i8* %resolveCall, i32 2, i64* %obj, i64 %arg, i64 %l1, i64 %l2)
ret void
}
; i64 JS Call
;
; 2 live variables in registers.
;
; CHECK-LABEL: .long L{{.*}}-_jsIntCall
; CHECK-NEXT: .short 0
; CHECK-NEXT: .short 2
; 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
; 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 @jsIntCall(i64 %dummy1, i64* %obj, i64 %arg, i64 %l1, i64 %l2) {
entry:
%resolveCall = inttoptr i64 244837814094590 to i8*
%result = call i64 (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.i64(i64 8, i32 20, i8* %resolveCall, i32 2, i64* %obj, i64 %arg, i64 %l1, i64 %l2)
%add = add i64 %result, 3
ret i64 %add
}
; Spilled stack map values.
;
; Verify 28 stack map entries.
;
; CHECK-LABEL: .long L{{.*}}-_spilledValue
; CHECK-NEXT: .short 0
; CHECK-NEXT: .short 28
;
; Check that at least one is a spilled entry from RBP.
; Location: Indirect FP + ...
; CHECK: .byte 3
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short
; CHECK-NEXT: .short 29
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long
define void @spilledValue(i64 %arg0, i64 %arg1, i64 %arg2, i64 %arg3, i64 %arg4, i64 %l0, i64 %l1, i64 %l2, i64 %l3, i64 %l4, i64 %l5, i64 %l6, i64 %l7, i64 %l8, i64 %l9, i64 %l10, i64 %l11, i64 %l12, i64 %l13, i64 %l14, i64 %l15, i64 %l16, i64 %l17, i64 %l18, i64 %l19, i64 %l20, i64 %l21, i64 %l22, i64 %l23, i64 %l24, i64 %l25, i64 %l26, i64 %l27) {
entry:
call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 11, i32 20, i8* null, i32 5, i64 %arg0, i64 %arg1, i64 %arg2, i64 %arg3, i64 %arg4, i64 %l0, i64 %l1, i64 %l2, i64 %l3, i64 %l4, i64 %l5, i64 %l6, i64 %l7, i64 %l8, i64 %l9, i64 %l10, i64 %l11, i64 %l12, i64 %l13, i64 %l14, i64 %l15, i64 %l16, i64 %l17, i64 %l18, i64 %l19, i64 %l20, i64 %l21, i64 %l22, i64 %l23, i64 %l24, i64 %l25, i64 %l26, i64 %l27)
ret void
}
; Spilled stack map values.
;
; Verify 23 stack map entries.
;
; CHECK-LABEL: .long L{{.*}}-_spilledStackMapValue
; CHECK-NEXT: .short 0
; CHECK-NEXT: .short 30
;
; Check that at least one is a spilled entry from RBP.
; Location: Indirect FP + ...
; CHECK: .byte 3
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short
; CHECK-NEXT: .short 29
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long
define webkit_jscc void @spilledStackMapValue(i64 %l0, i64 %l1, i64 %l2, i64 %l3, i64 %l4, i64 %l5, i64 %l6, i64 %l7, i64 %l8, i64 %l9, i64 %l10, i64 %l11, i64 %l12, i64 %l13, i64 %l14, i64 %l15, i64 %l16, i64 %l17, i64 %l18, i64 %l19, i64 %l20, i64 %l21, i64 %l22, i64 %l23, i64 %l24, i64 %l25, i64 %l26, i64 %l27, i64 %l28, i64 %l29) {
entry:
call void (i64, i32, ...) @llvm.experimental.stackmap(i64 12, i32 16, i64 %l0, i64 %l1, i64 %l2, i64 %l3, i64 %l4, i64 %l5, i64 %l6, i64 %l7, i64 %l8, i64 %l9, i64 %l10, i64 %l11, i64 %l12, i64 %l13, i64 %l14, i64 %l15, i64 %l16, i64 %l17, i64 %l18, i64 %l19, i64 %l20, i64 %l21, i64 %l22, i64 %l23, i64 %l24, i64 %l25, i64 %l26, i64 %l27, i64 %l28, i64 %l29)
ret void
}
; Map a constant value.
;
; CHECK-LABEL: .long L{{.*}}-_liveConstant
; CHECK-NEXT: .short 0
; 1 location
; CHECK-NEXT: .short 1
; Loc 0: SmallConstant
; CHECK-NEXT: .byte 4
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short 0
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 33
define void @liveConstant() {
tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 15, i32 8, i32 33)
ret void
}
; Map a value when LR is the only free register.
;
; CHECK-LABEL: .long L{{.*}}-_clobberLR
; CHECK-NEXT: .short 0
; 1 location
; CHECK-NEXT: .short 1
; Loc 0: Indirect FP (r29) - offset
; CHECK-NEXT: .byte 3
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 4
; CHECK-NEXT: .short 29
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long -{{[0-9]+}}
define void @clobberLR(i32 %a) {
tail call void asm sideeffect "nop", "~{x0},~{x1},~{x2},~{x3},~{x4},~{x5},~{x6},~{x7},~{x8},~{x9},~{x10},~{x11},~{x12},~{x13},~{x14},~{x15},~{x16},~{x17},~{x18},~{x19},~{x20},~{x21},~{x22},~{x23},~{x24},~{x25},~{x26},~{x27},~{x28},~{x29},~{x31}"() nounwind
tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 16, i32 8, i32 %a)
ret void
}
declare void @llvm.experimental.stackmap(i64, i32, ...)
declare void @llvm.experimental.patchpoint.void(i64, i32, i8*, i32, ...)
declare i64 @llvm.experimental.patchpoint.i64(i64, i32, i8*, i32, ...)
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