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