1; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7 -disable-fp-elim | FileCheck %s
2
3; Trivial patchpoint codegen
4;
5define i64 @trivial_patchpoint_codegen(i64 %p1, i64 %p2, i64 %p3, i64 %p4) {
6entry:
7; CHECK-LABEL: trivial_patchpoint_codegen:
8; CHECK:      movabsq $-559038736, %r11
9; CHECK-NEXT: callq *%r11
10; CHECK-NEXT: nop
11; CHECK:      movq %rax, %[[REG:r.+]]
12; CHECK:      callq *%r11
13; CHECK-NEXT: nop
14; CHECK:      movq %[[REG]], %rax
15; CHECK:      ret
16  %resolveCall2 = inttoptr i64 -559038736 to i8*
17  %result = tail call i64 (i32, i32, i8*, i32, ...)* @llvm.experimental.patchpoint.i64(i32 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 (i32, i32, i8*, i32, ...)* @llvm.experimental.patchpoint.void(i32 3, i32 15, i8* %resolveCall3, i32 2, i64 %p1, i64 %result)
20  ret i64 %result
21}
22
23; Caller frame metadata with stackmaps. This should not be optimized
24; as a leaf function.
25;
26; CHECK-LABEL: caller_meta_leaf
27; CHECK: subq $32, %rsp
28; CHECK: Ltmp
29; CHECK: addq $32, %rsp
30; CHECK: ret
31define void @caller_meta_leaf() {
32entry:
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 (i32, i32, ...)* @llvm.experimental.stackmap(i32 4, i32 0, i64* %metadata)
38  ret void
39}
40
41; Test the webkit_jscc calling convention.
42; Two arguments will be pushed on the stack.
43; Return value in $rax.
44define void @jscall_patchpoint_codegen(i64 %p1, i64 %p2, i64 %p3, i64 %p4) {
45entry:
46; CHECK-LABEL: jscall_patchpoint_codegen:
47; CHECK:      Ltmp
48; CHECK:      movq %r{{.+}}, 8(%rsp)
49; CHECK:      movq %r{{.+}}, (%rsp)
50; CHECK:      Ltmp
51; CHECK-NEXT: movabsq $-559038736, %r11
52; CHECK-NEXT: callq *%r11
53; CHECK:      movq %rax, 8(%rsp)
54; CHECK:      callq
55  %resolveCall2 = inttoptr i64 -559038736 to i8*
56  %result = tail call webkit_jscc i64 (i32, i32, i8*, i32, ...)* @llvm.experimental.patchpoint.i64(i32 5, i32 15, i8* %resolveCall2, i32 2, i64 %p1, i64 %p2)
57  %resolveCall3 = inttoptr i64 -559038737 to i8*
58  tail call webkit_jscc void (i32, i32, i8*, i32, ...)* @llvm.experimental.patchpoint.void(i32 6, i32 15, i8* %resolveCall3, i32 2, i64 %p1, i64 %result)
59  ret void
60}
61
62; Test patchpoints reusing the same TargetConstant.
63; <rdar:15390785> Assertion failed: (CI.getNumArgOperands() >= NumArgs + 4)
64; There is no way to verify this, since it depends on memory allocation.
65; But I think it's useful to include as a working example.
66define i64 @testLowerConstant(i64 %arg, i64 %tmp2, i64 %tmp10, i64* %tmp33, i64 %tmp79) {
67entry:
68  %tmp80 = add i64 %tmp79, -16
69  %tmp81 = inttoptr i64 %tmp80 to i64*
70  %tmp82 = load i64* %tmp81, align 8
71  tail call void (i32, i32, ...)* @llvm.experimental.stackmap(i32 14, i32 5, i64 %arg, i64 %tmp2, i64 %tmp10, i64 %tmp82)
72  tail call void (i32, i32, i8*, i32, ...)* @llvm.experimental.patchpoint.void(i32 15, i32 30, i8* null, i32 3, i64 %arg, i64 %tmp10, i64 %tmp82)
73  %tmp83 = load i64* %tmp33, align 8
74  %tmp84 = add i64 %tmp83, -24
75  %tmp85 = inttoptr i64 %tmp84 to i64*
76  %tmp86 = load i64* %tmp85, align 8
77  tail call void (i32, i32, ...)* @llvm.experimental.stackmap(i32 17, i32 5, i64 %arg, i64 %tmp10, i64 %tmp86)
78  tail call void (i32, i32, i8*, i32, ...)* @llvm.experimental.patchpoint.void(i32 18, i32 30, i8* null, i32 3, i64 %arg, i64 %tmp10, i64 %tmp86)
79  ret i64 10
80}
81
82; Test small patchpoints that don't emit calls.
83define void @small_patchpoint_codegen(i64 %p1, i64 %p2, i64 %p3, i64 %p4) {
84entry:
85; CHECK-LABEL: small_patchpoint_codegen:
86; CHECK:      Ltmp
87; CHECK:      nop
88; CHECK-NEXT: nop
89; CHECK-NEXT: nop
90; CHECK-NEXT: nop
91; CHECK-NEXT: nop
92; CHECK-NEXT: popq
93; CHECK-NEXT: ret
94  %result = tail call i64 (i32, i32, i8*, i32, ...)* @llvm.experimental.patchpoint.i64(i32 5, i32 5, i8* null, i32 2, i64 %p1, i64 %p2)
95  ret void
96}
97
98declare void @llvm.experimental.stackmap(i32, i32, ...)
99declare void @llvm.experimental.patchpoint.void(i32, i32, i8*, i32, ...)
100declare i64 @llvm.experimental.patchpoint.i64(i32, i32, i8*, i32, ...)
101