1 ; RUN: llc < %s -mtriple=arm64-apple-darwin -enable-misched=0 | FileCheck %s
3 ; Trivial patchpoint codegen
5 define i64 @trivial_patchpoint_codegen(i64 %p1, i64 %p2, i64 %p3, i64 %p4) {
7 ; CHECK-LABEL: trivial_patchpoint_codegen:
8 ; CHECK: movz x16, #57005, lsl #32
9 ; CHECK-NEXT: movk x16, #48879, lsl #16
10 ; CHECK-NEXT: movk x16, #51966
12 ; CHECK: movz x16, #57005, lsl #32
13 ; CHECK-NEXT: movk x16, #48879, lsl #16
14 ; CHECK-NEXT: movk x16, #51967
17 %resolveCall2 = inttoptr i64 244837814094590 to i8*
18 %result = tail call i64 (i64, i32, i8*, i32, ...)* @llvm.experimental.patchpoint.i64(i64 2, i32 20, i8* %resolveCall2, i32 4, i64 %p1, i64 %p2, i64 %p3, i64 %p4)
19 %resolveCall3 = inttoptr i64 244837814094591 to i8*
20 tail call void (i64, i32, i8*, i32, ...)* @llvm.experimental.patchpoint.void(i64 3, i32 20, i8* %resolveCall3, i32 2, i64 %p1, i64 %result)
24 ; Caller frame metadata with stackmaps. This should not be optimized
27 ; CHECK-LABEL: caller_meta_leaf
29 ; CHECK-NEXT: sub sp, sp, #32
34 define void @caller_meta_leaf() {
36 %metadata = alloca i64, i32 3, align 8
37 store i64 11, i64* %metadata
38 store i64 12, i64* %metadata
39 store i64 13, i64* %metadata
40 call void (i64, i32, ...)* @llvm.experimental.stackmap(i64 4, i32 0, i64* %metadata)
44 ; Test the webkit_jscc calling convention.
45 ; One argument will be passed in register, the other will be pushed on the stack.
47 define void @jscall_patchpoint_codegen(i64 %p1, i64 %p2, i64 %p3, i64 %p4) {
49 ; CHECK-LABEL: jscall_patchpoint_codegen:
51 ; CHECK: str x{{.+}}, [sp]
52 ; CHECK-NEXT: mov x0, x{{.+}}
54 ; CHECK-NEXT: movz x16, #65535, lsl #32
55 ; CHECK-NEXT: movk x16, #57005, lsl #16
56 ; CHECK-NEXT: movk x16, #48879
58 %resolveCall2 = inttoptr i64 281474417671919 to i8*
59 %result = tail call webkit_jscc i64 (i64, i32, i8*, i32, ...)* @llvm.experimental.patchpoint.i64(i64 5, i32 20, i8* %resolveCall2, i32 2, i64 %p4, i64 %p2)
60 %resolveCall3 = inttoptr i64 244837814038255 to i8*
61 tail call webkit_jscc void (i64, i32, i8*, i32, ...)* @llvm.experimental.patchpoint.void(i64 6, i32 20, i8* %resolveCall3, i32 2, i64 %p4, i64 %result)
65 ; Test if the arguments are properly aligned and that we don't store undef arguments.
66 define i64 @jscall_patchpoint_codegen2(i64 %callee) {
68 ; CHECK-LABEL: jscall_patchpoint_codegen2:
70 ; CHECK: orr x{{.+}}, xzr, #0x6
71 ; CHECK-NEXT: str x{{.+}}, [sp, #24]
72 ; CHECK-NEXT: orr w{{.+}}, wzr, #0x4
73 ; CHECK-NEXT: str w{{.+}}, [sp, #16]
74 ; CHECK-NEXT: orr x{{.+}}, xzr, #0x2
75 ; CHECK-NEXT: str x{{.+}}, [sp]
77 ; CHECK-NEXT: movz x16, #65535, lsl #32
78 ; CHECK-NEXT: movk x16, #57005, lsl #16
79 ; CHECK-NEXT: movk x16, #48879
81 %call = inttoptr i64 281474417671919 to i8*
82 %result = call webkit_jscc i64 (i64, i32, i8*, i32, ...)* @llvm.experimental.patchpoint.i64(i64 7, i32 20, i8* %call, i32 6, i64 %callee, i64 2, i64 undef, i32 4, i32 undef, i64 6)
86 ; Test if the arguments are properly aligned and that we don't store undef arguments.
87 define i64 @jscall_patchpoint_codegen3(i64 %callee) {
89 ; CHECK-LABEL: jscall_patchpoint_codegen3:
91 ; CHECK: movz x{{.+}}, #10
92 ; CHECK-NEXT: str x{{.+}}, [sp, #48]
93 ; CHECK-NEXT: orr w{{.+}}, wzr, #0x8
94 ; CHECK-NEXT: str w{{.+}}, [sp, #36]
95 ; CHECK-NEXT: orr x{{.+}}, xzr, #0x6
96 ; CHECK-NEXT: str x{{.+}}, [sp, #24]
97 ; CHECK-NEXT: orr w{{.+}}, wzr, #0x4
98 ; CHECK-NEXT: str w{{.+}}, [sp, #16]
99 ; CHECK-NEXT: orr x{{.+}}, xzr, #0x2
100 ; CHECK-NEXT: str x{{.+}}, [sp]
102 ; CHECK-NEXT: movz x16, #65535, lsl #32
103 ; CHECK-NEXT: movk x16, #57005, lsl #16
104 ; CHECK-NEXT: movk x16, #48879
105 ; CHECK-NEXT: blr x16
106 %call = inttoptr i64 281474417671919 to i8*
107 %result = call webkit_jscc i64 (i64, i32, i8*, i32, ...)* @llvm.experimental.patchpoint.i64(i64 7, i32 20, i8* %call, i32 10, i64 %callee, i64 2, i64 undef, i32 4, i32 undef, i64 6, i32 undef, i32 8, i32 undef, i64 10)
111 ; Test patchpoints reusing the same TargetConstant.
112 ; <rdar:15390785> Assertion failed: (CI.getNumArgOperands() >= NumArgs + 4)
113 ; There is no way to verify this, since it depends on memory allocation.
114 ; But I think it's useful to include as a working example.
115 define i64 @testLowerConstant(i64 %arg, i64 %tmp2, i64 %tmp10, i64* %tmp33, i64 %tmp79) {
117 %tmp80 = add i64 %tmp79, -16
118 %tmp81 = inttoptr i64 %tmp80 to i64*
119 %tmp82 = load i64* %tmp81, align 8
120 tail call void (i64, i32, ...)* @llvm.experimental.stackmap(i64 14, i32 8, i64 %arg, i64 %tmp2, i64 %tmp10, i64 %tmp82)
121 tail call void (i64, i32, i8*, i32, ...)* @llvm.experimental.patchpoint.void(i64 15, i32 32, i8* null, i32 3, i64 %arg, i64 %tmp10, i64 %tmp82)
122 %tmp83 = load i64* %tmp33, align 8
123 %tmp84 = add i64 %tmp83, -24
124 %tmp85 = inttoptr i64 %tmp84 to i64*
125 %tmp86 = load i64* %tmp85, align 8
126 tail call void (i64, i32, ...)* @llvm.experimental.stackmap(i64 17, i32 8, i64 %arg, i64 %tmp10, i64 %tmp86)
127 tail call void (i64, i32, i8*, i32, ...)* @llvm.experimental.patchpoint.void(i64 18, i32 32, i8* null, i32 3, i64 %arg, i64 %tmp10, i64 %tmp86)
131 ; Test small patchpoints that don't emit calls.
132 define void @small_patchpoint_codegen(i64 %p1, i64 %p2, i64 %p3, i64 %p4) {
134 ; CHECK-LABEL: small_patchpoint_codegen:
143 %result = tail call i64 (i64, i32, i8*, i32, ...)* @llvm.experimental.patchpoint.i64(i64 5, i32 20, i8* null, i32 2, i64 %p1, i64 %p2)
147 ; Test that scratch registers are spilled around patchpoints
148 ; CHECK: InlineAsm End
149 ; CHECK-NEXT: mov x{{[0-9]+}}, x16
150 ; CHECK-NEXT: mov x{{[0-9]+}}, x17
153 define void @clobberScratch(i32* %p) {
155 tail call void asm sideeffect "nop", "~{x0},~{x1},~{x2},~{x3},~{x4},~{x5},~{x6},~{x7},~{x8},~{x9},~{x10},~{x11},~{x12},~{x13},~{x14},~{x15},~{x18},~{x19},~{x20},~{x21},~{x22},~{x23},~{x24},~{x25},~{x26},~{x27},~{x28},~{x29},~{x30},~{x31}"() nounwind
156 tail call void (i64, i32, i8*, i32, ...)* @llvm.experimental.patchpoint.void(i64 5, i32 20, i8* null, i32 0, i32* %p, i32 %v)
157 store i32 %v, i32* %p
161 declare void @llvm.experimental.stackmap(i64, i32, ...)
162 declare void @llvm.experimental.patchpoint.void(i64, i32, i8*, i32, ...)
163 declare i64 @llvm.experimental.patchpoint.i64(i64, i32, i8*, i32, ...)