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llvm-mirror/test/CodeGen/AArch64/stackmap.ll
Kristof Beyls 4089cefb50 [AArch64] Enable emission of stack maps for non-Mach-O binaries on AArch64. 
The emission of stack maps in AArch64 binaries has been disabled for all
binary formats except Mach-O since rL206610, probably mistakenly, as far
as I can tell. This patch reverts this to its intended state.

Differential Revision: https://reviews.llvm.org/D70069

Patch by Loic Ottet.
2019-12-16 12:02:47 +00:00

493 lines
15 KiB
LLVM
Raw Blame History

; RUN: llc < %s -mtriple=arm64-linux-gnu | FileCheck %s
;
; Note: Print verbose stackmaps using -debug-only=stackmaps.
; CHECK-LABEL: .section .llvm_stackmaps
; CHECK-NEXT: __LLVM_StackMaps:
; Header
; CHECK-NEXT: .byte 3
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .hword 0
; Num Functions
; CHECK-NEXT: .word 14
; Num LargeConstants
; CHECK-NEXT: .word 3
; Num Callsites
; CHECK-NEXT: .word 18
; Functions and stack size
; CHECK-NEXT: .xword constantargs
; CHECK-NEXT: .xword 16
; CHECK-NEXT: .xword 1
; CHECK-NEXT: .xword osrinline
; CHECK-NEXT: .xword 32
; CHECK-NEXT: .xword 1
; CHECK-NEXT: .xword osrcold
; CHECK-NEXT: .xword 16
; CHECK-NEXT: .xword 1
; CHECK-NEXT: .xword propertyRead
; CHECK-NEXT: .xword 16
; CHECK-NEXT: .xword 1
; CHECK-NEXT: .xword propertyWrite
; CHECK-NEXT: .xword 16
; CHECK-NEXT: .xword 1
; CHECK-NEXT: .xword jsVoidCall
; CHECK-NEXT: .xword 16
; CHECK-NEXT: .xword 1
; CHECK-NEXT: .xword jsIntCall
; CHECK-NEXT: .xword 16
; CHECK-NEXT: .xword 1
; CHECK-NEXT: .xword spilledValue
; CHECK-NEXT: .xword 144
; CHECK-NEXT: .xword 1
; CHECK-NEXT: .xword spilledStackMapValue
; CHECK-NEXT: .xword 128
; CHECK-NEXT: .xword 1
; CHECK-NEXT: .xword liveConstant
; CHECK-NEXT: .xword 16
; CHECK-NEXT: .xword 1
; CHECK-NEXT: .xword directFrameIdx
; CHECK-NEXT: .xword 64
; CHECK-NEXT: .xword 2
; CHECK-NEXT: .xword longid
; CHECK-NEXT: .xword 16
; CHECK-NEXT: .xword 4
; CHECK-NEXT: .xword clobberLR
; CHECK-NEXT: .xword 112
; CHECK-NEXT: .xword 1
; CHECK-NEXT: .xword needsStackRealignment
; CHECK-NEXT: .xword -1
; CHECK-NEXT: .xword 1
; Large Constants
; CHECK-NEXT: .xword 2147483648
; CHECK-NEXT: .xword 4294967295
; CHECK-NEXT: .xword 4294967296
; Callsites
; Constant arguments
;
; CHECK-NEXT: .xword 1
; CHECK-NEXT: .word .L{{.*}}-constantargs
; CHECK-NEXT: .hword 0
; CHECK-NEXT: .hword 12
; SmallConstant
; CHECK-NEXT: .byte 4
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .hword 8
; CHECK-NEXT: .hword 0
; CHECK-NEXT: .hword 0
; CHECK-NEXT: .word -1
; SmallConstant
; CHECK-NEXT: .byte 4
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .hword 8
; CHECK-NEXT: .hword 0
; CHECK-NEXT: .hword 0
; CHECK-NEXT: .word -1
; SmallConstant
; CHECK-NEXT: .byte 4
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .hword 8
; CHECK-NEXT: .hword 0
; CHECK-NEXT: .hword 0
; CHECK-NEXT: .word 65536
; SmallConstant
; CHECK-NEXT: .byte 4
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .hword 8
; CHECK-NEXT: .hword 0
; CHECK-NEXT: .hword 0
; CHECK-NEXT: .word 2000000000
; SmallConstant
; CHECK-NEXT: .byte 4
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .hword 8
; CHECK-NEXT: .hword 0
; CHECK-NEXT: .hword 0
; CHECK-NEXT: .word 2147483647
; SmallConstant
; CHECK-NEXT: .byte 4
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .hword 8
; CHECK-NEXT: .hword 0
; CHECK-NEXT: .hword 0
; CHECK-NEXT: .word -1
; SmallConstant
; CHECK-NEXT: .byte 4
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .hword 8
; CHECK-NEXT: .hword 0
; CHECK-NEXT: .hword 0
; CHECK-NEXT: .word -1
; SmallConstant
; CHECK-NEXT: .byte 4
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .hword 8
; CHECK-NEXT: .hword 0
; CHECK-NEXT: .hword 0
; CHECK-NEXT: .word 0
; LargeConstant at index 0
; CHECK-NEXT: .byte 5
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .hword 8
; CHECK-NEXT: .hword 0
; CHECK-NEXT: .hword 0
; CHECK-NEXT: .word 0
; LargeConstant at index 1
; CHECK-NEXT: .byte 5
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .hword 8
; CHECK-NEXT: .hword 0
; CHECK-NEXT: .hword 0
; CHECK-NEXT: .word 1
; LargeConstant at index 2
; CHECK-NEXT: .byte 5
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .hword 8
; CHECK-NEXT: .hword 0
; CHECK-NEXT: .hword 0
; CHECK-NEXT: .word 2
; SmallConstant
; CHECK-NEXT: .byte 4
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .hword 8
; CHECK-NEXT: .hword 0
; CHECK-NEXT: .hword 0
; CHECK-NEXT: .word -1
define void @constantargs() {
entry:
%0 = inttoptr i64 12345 to i8*
tail call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 1, i32 16, i8* %0, i32 0, i16 65535, i16 -1, i32 65536, i32 2000000000, i32 2147483647, i32 -1, i32 4294967295, i32 4294967296, i64 2147483648, i64 4294967295, i64 4294967296, i64 -1)
ret void
}
; Inline OSR Exit
;
; CHECK-LABEL: .word .L{{.*}}-osrinline
; CHECK-NEXT: .hword 0
; CHECK-NEXT: .hword 2
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .hword 8
; CHECK-NEXT: .hword {{[0-9]+}}
; CHECK-NEXT: .hword 0
; CHECK-NEXT: .word 0
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .hword 8
; CHECK-NEXT: .hword {{[0-9]+}}
; CHECK-NEXT: .hword 0
; CHECK-NEXT: .word 0
define void @osrinline(i64 %a, i64 %b) {
entry:
; Runtime void->void call.
call void inttoptr (i64 -559038737 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: .word .L{{.*}}-osrcold
; CHECK-NEXT: .hword 0
; CHECK-NEXT: .hword 2
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .hword 8
; CHECK-NEXT: .hword {{[0-9]+}}
; CHECK-NEXT: .hword 0
; CHECK-NEXT: .word 0
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .hword 8
; CHECK-NEXT: .hword {{[0-9]+}}
; CHECK-NEXT: .hword 0
; CHECK-NEXT: .word 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 3735928559 to i8*
call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 4, i32 16, i8* %thunk, i32 0, i64 %a, i64 %b)
unreachable
ret:
ret void
}
; Property Read
; CHECK-LABEL: .word .L{{.*}}-propertyRead
; CHECK-NEXT: .hword 0
; CHECK-NEXT: .hword 2
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .hword 8
; CHECK-NEXT: .hword {{[0-9]+}}
; CHECK-NEXT: .hword 0
; CHECK-NEXT: .word 0
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .hword 8
; CHECK-NEXT: .hword {{[0-9]+}}
; CHECK-NEXT: .hword 0
; CHECK-NEXT: .word 0
define i64 @propertyRead(i64* %obj) {
entry:
%resolveRead = inttoptr i64 3735928559 to i8*
%result = call anyregcc i64 (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.i64(i64 5, i32 16, i8* %resolveRead, i32 1, i64* %obj)
%add = add i64 %result, 3
ret i64 %add
}
; Property Write
; CHECK-LABEL: .word .L{{.*}}-propertyWrite
; CHECK-NEXT: .hword 0
; CHECK-NEXT: .hword 2
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .hword 8
; CHECK-NEXT: .hword {{[0-9]+}}
; CHECK-NEXT: .hword 0
; CHECK-NEXT: .word 0
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .hword 8
; CHECK-NEXT: .hword {{[0-9]+}}
; CHECK-NEXT: .hword 0
; CHECK-NEXT: .word 0
define void @propertyWrite(i64 %dummy1, i64* %obj, i64 %dummy2, i64 %a) {
entry:
%resolveWrite = inttoptr i64 3735928559 to i8*
call anyregcc void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 6, i32 16, i8* %resolveWrite, i32 2, i64* %obj, i64 %a)
ret void
}
; Void JS Call
;
; 2 live variables in registers.
;
; CHECK-LABEL: .word .L{{.*}}-jsVoidCall
; CHECK-NEXT: .hword 0
; CHECK-NEXT: .hword 2
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .hword 8
; CHECK-NEXT: .hword {{[0-9]+}}
; CHECK-NEXT: .hword 0
; CHECK-NEXT: .word 0
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .hword 8
; CHECK-NEXT: .hword {{[0-9]+}}
; CHECK-NEXT: .hword 0
; CHECK-NEXT: .word 0
define void @jsVoidCall(i64 %dummy1, i64* %obj, i64 %arg, i64 %l1, i64 %l2) {
entry:
%resolveCall = inttoptr i64 3735928559 to i8*
call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 7, i32 16, i8* %resolveCall, i32 2, i64* %obj, i64 %arg, i64 %l1, i64 %l2)
ret void
}
; i64 JS Call
;
; 2 live variables in registers.
;
; CHECK-LABEL: .word .L{{.*}}-jsIntCall
; CHECK-NEXT: .hword 0
; CHECK-NEXT: .hword 2
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .hword 8
; CHECK-NEXT: .hword {{[0-9]+}}
; CHECK-NEXT: .hword 0
; CHECK-NEXT: .word 0
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .hword 8
; CHECK-NEXT: .hword {{[0-9]+}}
; CHECK-NEXT: .hword 0
; CHECK-NEXT: .word 0
define i64 @jsIntCall(i64 %dummy1, i64* %obj, i64 %arg, i64 %l1, i64 %l2) {
entry:
%resolveCall = inttoptr i64 3735928559 to i8*
%result = call i64 (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.i64(i64 8, i32 16, 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: .word .L{{.*}}-spilledValue
; CHECK-NEXT: .hword 0
; CHECK-NEXT: .hword 28
;
; Check that at least one is a spilled entry from RBP.
; Location: Indirect RBP + ...
; CHECK: .byte 3
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .hword 8
; CHECK-NEXT: .hword 29
; CHECK-NEXT: .hword 0
; CHECK-NEXT: .word
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 30 stack map entries.
;
; CHECK-LABEL: .word .L{{.*}}-spilledStackMapValue
; CHECK-NEXT: .hword 0
; CHECK-NEXT: .hword 30
;
; Check that at least one is a spilled entry from RBP.
; Location: Indirect RBP + ...
; CHECK: .byte 3
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .hword 8
; CHECK-NEXT: .hword 29
; CHECK-NEXT: .hword 0
; CHECK-NEXT: .word
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: .word .L{{.*}}-liveConstant
; CHECK-NEXT: .hword 0
; 1 location
; CHECK-NEXT: .hword 1
; Loc 0: SmallConstant
; CHECK-NEXT: .byte 4
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .hword 8
; CHECK-NEXT: .hword 0
; CHECK-NEXT: .hword 0
; CHECK-NEXT: .word 33
define void @liveConstant() {
tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 15, i32 4, i32 33)
ret void
}
; Directly map an alloca's address.
;
; Callsite 16
; CHECK-LABEL: .word .L{{.*}}-directFrameIdx
; CHECK-NEXT: .hword 0
; 1 location
; CHECK-NEXT: .hword 1
; Loc 0: Direct RBP - ofs
; CHECK-NEXT: .byte 2
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .hword 8
; CHECK-NEXT: .hword 29
; CHECK-NEXT: .hword 0
; CHECK-NEXT: .word
; Callsite 17
; CHECK-LABEL: .word .L{{.*}}-directFrameIdx
; CHECK-NEXT: .hword 0
; 2 locations
; CHECK-NEXT: .hword 2
; Loc 0: Direct RBP - ofs
; CHECK-NEXT: .byte 2
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .hword 8
; CHECK-NEXT: .hword 29
; CHECK-NEXT: .hword 0
; CHECK-NEXT: .word
; Loc 1: Direct RBP - ofs
; CHECK-NEXT: .byte 2
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .hword 8
; CHECK-NEXT: .hword 29
; CHECK-NEXT: .hword 0
; CHECK-NEXT: .word
define void @directFrameIdx() {
entry:
%metadata1 = alloca i64, i32 3, align 8
store i64 11, i64* %metadata1
store i64 12, i64* %metadata1
store i64 13, i64* %metadata1
call void (i64, i32, ...) @llvm.experimental.stackmap(i64 16, i32 0, i64* %metadata1)
%metadata2 = alloca i8, i32 4, align 8
%metadata3 = alloca i16, i32 4, align 8
call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 17, i32 4, i8* null, i32 0, i8* %metadata2, i16* %metadata3)
ret void
}
; Test a 64-bit ID.
;
; CHECK: .xword 4294967295
; CHECK-LABEL: .word .L{{.*}}-longid
; CHECK: .xword 4294967296
; CHECK-LABEL: .word .L{{.*}}-longid
; CHECK: .xword 9223372036854775807
; CHECK-LABEL: .word .L{{.*}}-longid
; CHECK: .xword -1
; CHECK-LABEL: .word .L{{.*}}-longid
define void @longid() {
entry:
tail call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 4294967295, i32 0, i8* null, i32 0)
tail call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 4294967296, i32 0, i8* null, i32 0)
tail call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 9223372036854775807, i32 0, i8* null, i32 0)
tail call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 -1, i32 0, i8* null, i32 0)
ret void
}
; Map a value when R11 is the only free register.
; The scratch register should not be used for a live stackmap value.
;
; CHECK-LABEL: .word .L{{.*}}-clobberLR
; CHECK-NEXT: .hword 0
; 1 location
; CHECK-NEXT: .hword 1
; Loc 0: Indirect fp - offset
; CHECK-NEXT: .byte 3
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .hword 4
; CHECK-NEXT: .hword 29
; CHECK-NEXT: .hword 0
; CHECK-NEXT: .word -{{[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
}
; A stack frame which needs to be realigned at runtime (to meet alignment
; criteria for values on the stack) does not have a fixed frame size.
; CHECK-LABEL: .word .L{{.*}}-needsStackRealignment
; CHECK-NEXT: .hword 0
; 0 locations
; CHECK-NEXT: .hword 0
define void @needsStackRealignment() {
%val = alloca i64, i32 3, align 128
tail call void (...) @escape_values(i64* %val)
; Note: Adding any non-constant to the stackmap would fail because we
; expected to be able to address off the frame pointer. In a realigned
; frame, we must use the stack pointer instead. This is a separate bug.
tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 0, i32 0)
ret void
}
declare void @escape_values(...)
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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