1 ; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7 -disable-fp-elim | 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: movabsq $-559038736, %r11
9 ; CHECK-NEXT: callq *%r11
10 ; CHECK-NEXT: xchgw %ax, %ax
11 ; CHECK: movq %rax, %[[REG:r.+]]
13 ; CHECK-NEXT: xchgw %ax, %ax
14 ; CHECK: movq %[[REG]], %rax
16 %resolveCall2 = inttoptr i64 -559038736 to i8*
17 %result = tail call i64 (i64, i32, i8*, i32, ...)* @llvm.experimental.patchpoint.i64(i64 2, i32 15, i8* %resolveCall2, i32 4, i64 %p1, i64 %p2, i64 %p3, i64 %p4)
18 %resolveCall3 = inttoptr i64 -559038737 to i8*
19 tail call void (i64, i32, i8*, i32, ...)* @llvm.experimental.patchpoint.void(i64 3, i32 15, i8* %resolveCall3, i32 2, i64 %p1, i64 %result)
23 ; Caller frame metadata with stackmaps. This should not be optimized
26 ; CHECK-LABEL: caller_meta_leaf
27 ; CHECK: subq $32, %rsp
29 ; CHECK: addq $32, %rsp
31 define void @caller_meta_leaf() {
33 %metadata = alloca i64, i32 3, align 8
34 store i64 11, i64* %metadata
35 store i64 12, i64* %metadata
36 store i64 13, i64* %metadata
37 call void (i64, i32, ...)* @llvm.experimental.stackmap(i64 4, i32 0, i64* %metadata)
41 ; Test the webkit_jscc calling convention.
42 ; One argument will be passed in register, the other will be pushed on the stack.
43 ; Return value in $rax.
44 define void @jscall_patchpoint_codegen(i64 %p1, i64 %p2, i64 %p3, i64 %p4) {
46 ; CHECK-LABEL: jscall_patchpoint_codegen:
48 ; CHECK: movq %r{{.+}}, (%rsp)
49 ; CHECK: movq %r{{.+}}, %rax
51 ; CHECK-NEXT: movabsq $-559038736, %r11
52 ; CHECK-NEXT: callq *%r11
53 ; CHECK: movq %rax, (%rsp)
55 %resolveCall2 = inttoptr i64 -559038736 to i8*
56 %result = tail call webkit_jscc i64 (i64, i32, i8*, i32, ...)* @llvm.experimental.patchpoint.i64(i64 5, i32 15, i8* %resolveCall2, i32 2, i64 %p4, i64 %p2)
57 %resolveCall3 = inttoptr i64 -559038737 to i8*
58 tail call webkit_jscc void (i64, i32, i8*, i32, ...)* @llvm.experimental.patchpoint.void(i64 6, i32 15, i8* %resolveCall3, i32 2, i64 %p4, i64 %result)
62 ; Test if the arguments are properly aligned and that we don't store undef arguments.
63 define i64 @jscall_patchpoint_codegen2(i64 %callee) {
65 ; CHECK-LABEL: jscall_patchpoint_codegen2:
67 ; CHECK: movq $6, 24(%rsp)
68 ; CHECK-NEXT: movl $4, 16(%rsp)
69 ; CHECK-NEXT: movq $2, (%rsp)
71 ; CHECK-NEXT: movabsq $-559038736, %r11
72 ; CHECK-NEXT: callq *%r11
73 %call = inttoptr i64 -559038736 to i8*
74 %result = call webkit_jscc i64 (i64, i32, i8*, i32, ...)* @llvm.experimental.patchpoint.i64(i64 7, i32 15, i8* %call, i32 6, i64 %callee, i64 2, i64 undef, i32 4, i32 undef, i64 6)
78 ; Test if the arguments are properly aligned and that we don't store undef arguments.
79 define i64 @jscall_patchpoint_codegen3(i64 %callee) {
81 ; CHECK-LABEL: jscall_patchpoint_codegen3:
83 ; CHECK: movq $10, 48(%rsp)
84 ; CHECK-NEXT: movl $8, 36(%rsp)
85 ; CHECK-NEXT: movq $6, 24(%rsp)
86 ; CHECK-NEXT: movl $4, 16(%rsp)
87 ; CHECK-NEXT: movq $2, (%rsp)
89 ; CHECK-NEXT: movabsq $-559038736, %r11
90 ; CHECK-NEXT: callq *%r11
91 %call = inttoptr i64 -559038736 to i8*
92 %result = call webkit_jscc i64 (i64, i32, i8*, i32, ...)* @llvm.experimental.patchpoint.i64(i64 7, i32 15, i8* %call, i32 10, i64 %callee, i64 2, i64 undef, i32 4, i32 undef, i64 6, i32 undef, i32 8, i32 undef, i64 10)
96 ; Test patchpoints reusing the same TargetConstant.
97 ; <rdar:15390785> Assertion failed: (CI.getNumArgOperands() >= NumArgs + 4)
98 ; There is no way to verify this, since it depends on memory allocation.
99 ; But I think it's useful to include as a working example.
100 define i64 @testLowerConstant(i64 %arg, i64 %tmp2, i64 %tmp10, i64* %tmp33, i64 %tmp79) {
102 %tmp80 = add i64 %tmp79, -16
103 %tmp81 = inttoptr i64 %tmp80 to i64*
104 %tmp82 = load i64* %tmp81, align 8
105 tail call void (i64, i32, ...)* @llvm.experimental.stackmap(i64 14, i32 5, i64 %arg, i64 %tmp2, i64 %tmp10, i64 %tmp82)
106 tail call void (i64, i32, i8*, i32, ...)* @llvm.experimental.patchpoint.void(i64 15, i32 30, i8* null, i32 3, i64 %arg, i64 %tmp10, i64 %tmp82)
107 %tmp83 = load i64* %tmp33, align 8
108 %tmp84 = add i64 %tmp83, -24
109 %tmp85 = inttoptr i64 %tmp84 to i64*
110 %tmp86 = load i64* %tmp85, align 8
111 tail call void (i64, i32, ...)* @llvm.experimental.stackmap(i64 17, i32 5, i64 %arg, i64 %tmp10, i64 %tmp86)
112 tail call void (i64, i32, i8*, i32, ...)* @llvm.experimental.patchpoint.void(i64 18, i32 30, i8* null, i32 3, i64 %arg, i64 %tmp10, i64 %tmp86)
116 ; Test small patchpoints that don't emit calls.
117 define void @small_patchpoint_codegen(i64 %p1, i64 %p2, i64 %p3, i64 %p4) {
119 ; CHECK-LABEL: small_patchpoint_codegen:
121 ; CHECK: nopl 8(%rax,%rax)
124 %result = tail call i64 (i64, i32, i8*, i32, ...)* @llvm.experimental.patchpoint.i64(i64 5, i32 5, i8* null, i32 2, i64 %p1, i64 %p2)
128 declare void @llvm.experimental.stackmap(i64, i32, ...)
129 declare void @llvm.experimental.patchpoint.void(i64, i32, i8*, i32, ...)
130 declare i64 @llvm.experimental.patchpoint.i64(i64, i32, i8*, i32, ...)