1 ; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7 -disable-fp-elim | FileCheck %s 2 3 ; Trivial patchpoint codegen 4 ; 5 define i64 @trivial_patchpoint_codegen(i64 %p1, i64 %p2, i64 %p3, i64 %p4) { 6 entry: 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.+]] 12 ; CHECK: callq *%r11 13 ; CHECK-NEXT: xchgw %ax, %ax 14 ; CHECK: movq %[[REG]], %rax 15 ; CHECK: ret 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) 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 31 define void @caller_meta_leaf() { 32 entry: 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) 38 ret void 39 } 40 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) { 45 entry: 46 ; CHECK-LABEL: jscall_patchpoint_codegen: 47 ; CHECK: Ltmp 48 ; CHECK: movq %r{{.+}}, (%rsp) 49 ; CHECK: movq %r{{.+}}, %rax 50 ; CHECK: Ltmp 51 ; CHECK-NEXT: movabsq $-559038736, %r11 52 ; CHECK-NEXT: callq *%r11 53 ; CHECK: movq %rax, (%rsp) 54 ; CHECK: callq 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) 59 ret void 60 } 61 62 ; Test if the arguments are properly aligned and that we don't store undef arguments. 63 define i64 @jscall_patchpoint_codegen2(i64 %callee) { 64 entry: 65 ; CHECK-LABEL: jscall_patchpoint_codegen2: 66 ; CHECK: Ltmp 67 ; CHECK: movq $6, 24(%rsp) 68 ; CHECK-NEXT: movl $4, 16(%rsp) 69 ; CHECK-NEXT: movq $2, (%rsp) 70 ; CHECK: Ltmp 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) 75 ret i64 %result 76 } 77 78 ; Test if the arguments are properly aligned and that we don't store undef arguments. 79 define i64 @jscall_patchpoint_codegen3(i64 %callee) { 80 entry: 81 ; CHECK-LABEL: jscall_patchpoint_codegen3: 82 ; CHECK: Ltmp 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) 88 ; CHECK: Ltmp 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) 93 ret i64 %result 94 } 95 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) { 101 entry: 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) 113 ret i64 10 114 } 115 116 ; Test small patchpoints that don't emit calls. 117 define void @small_patchpoint_codegen(i64 %p1, i64 %p2, i64 %p3, i64 %p4) { 118 entry: 119 ; CHECK-LABEL: small_patchpoint_codegen: 120 ; CHECK: Ltmp 121 ; CHECK: nopl 8(%rax,%rax) 122 ; CHECK-NEXT: popq 123 ; CHECK-NEXT: ret 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) 125 ret void 126 } 127 128 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, ...) 131
