; RUN: llc < %s -mtriple=arm64-apple-darwin -enable-misched=0 | FileCheck %s ; Trivial patchpoint codegen ; define i64 @trivial_patchpoint_codegen(i64 %p1, i64 %p2, i64 %p3, i64 %p4) { entry: ; CHECK-LABEL: trivial_patchpoint_codegen: ; CHECK: movz x16, #57005, lsl #32 ; CHECK-NEXT: movk x16, #48879, lsl #16 ; CHECK-NEXT: movk x16, #51966 ; CHECK-NEXT: blr x16 ; CHECK: movz x16, #57005, lsl #32 ; CHECK-NEXT: movk x16, #48879, lsl #16 ; CHECK-NEXT: movk x16, #51967 ; CHECK-NEXT: blr x16 ; CHECK: ret %resolveCall2 = inttoptr i64 244837814094590 to i8* %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) %resolveCall3 = inttoptr i64 244837814094591 to i8* tail call void (i64, i32, i8*, i32, ...)* @llvm.experimental.patchpoint.void(i64 3, i32 20, i8* %resolveCall3, i32 2, i64 %p1, i64 %result) ret i64 %result } ; Caller frame metadata with stackmaps. This should not be optimized ; as a leaf function. ; ; CHECK-LABEL: caller_meta_leaf ; CHECK: mov x29, sp ; CHECK-NEXT: sub sp, sp, #32 ; CHECK: Ltmp ; CHECK: mov sp, x29 ; CHECK: ret define void @caller_meta_leaf() { entry: %metadata = alloca i64, i32 3, align 8 store i64 11, i64* %metadata store i64 12, i64* %metadata store i64 13, i64* %metadata call void (i64, i32, ...)* @llvm.experimental.stackmap(i64 4, i32 0, i64* %metadata) ret void } ; Test the webkit_jscc calling convention. ; One argument will be passed in register, the other will be pushed on the stack. ; Return value in x0. define void @jscall_patchpoint_codegen(i64 %p1, i64 %p2, i64 %p3, i64 %p4) { entry: ; CHECK-LABEL: jscall_patchpoint_codegen: ; CHECK: Ltmp ; CHECK: str x{{.+}}, [sp] ; CHECK-NEXT: mov x0, x{{.+}} ; CHECK: Ltmp ; CHECK-NEXT: movz x16, #65535, lsl #32 ; CHECK-NEXT: movk x16, #57005, lsl #16 ; CHECK-NEXT: movk x16, #48879 ; CHECK-NEXT: blr x16 %resolveCall2 = inttoptr i64 281474417671919 to i8* %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) %resolveCall3 = inttoptr i64 244837814038255 to i8* 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) ret void } ; Test if the arguments are properly aligned and that we don't store undef arguments. define i64 @jscall_patchpoint_codegen2(i64 %callee) { entry: ; CHECK-LABEL: jscall_patchpoint_codegen2: ; CHECK: Ltmp ; CHECK: orr x{{.+}}, xzr, #0x6 ; CHECK-NEXT: str x{{.+}}, [sp, #24] ; CHECK-NEXT: orr w{{.+}}, wzr, #0x4 ; CHECK-NEXT: str w{{.+}}, [sp, #16] ; CHECK-NEXT: orr x{{.+}}, xzr, #0x2 ; CHECK-NEXT: str x{{.+}}, [sp] ; CHECK: Ltmp ; CHECK-NEXT: movz x16, #65535, lsl #32 ; CHECK-NEXT: movk x16, #57005, lsl #16 ; CHECK-NEXT: movk x16, #48879 ; CHECK-NEXT: blr x16 %call = inttoptr i64 281474417671919 to i8* %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) ret i64 %result } ; Test if the arguments are properly aligned and that we don't store undef arguments. define i64 @jscall_patchpoint_codegen3(i64 %callee) { entry: ; CHECK-LABEL: jscall_patchpoint_codegen3: ; CHECK: Ltmp ; CHECK: movz x{{.+}}, #10 ; CHECK-NEXT: str x{{.+}}, [sp, #48] ; CHECK-NEXT: orr w{{.+}}, wzr, #0x8 ; CHECK-NEXT: str w{{.+}}, [sp, #36] ; CHECK-NEXT: orr x{{.+}}, xzr, #0x6 ; CHECK-NEXT: str x{{.+}}, [sp, #24] ; CHECK-NEXT: orr w{{.+}}, wzr, #0x4 ; CHECK-NEXT: str w{{.+}}, [sp, #16] ; CHECK-NEXT: orr x{{.+}}, xzr, #0x2 ; CHECK-NEXT: str x{{.+}}, [sp] ; CHECK: Ltmp ; CHECK-NEXT: movz x16, #65535, lsl #32 ; CHECK-NEXT: movk x16, #57005, lsl #16 ; CHECK-NEXT: movk x16, #48879 ; CHECK-NEXT: blr x16 %call = inttoptr i64 281474417671919 to i8* %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) ret i64 %result } ; Test patchpoints reusing the same TargetConstant. ; Assertion failed: (CI.getNumArgOperands() >= NumArgs + 4) ; There is no way to verify this, since it depends on memory allocation. ; But I think it's useful to include as a working example. define i64 @testLowerConstant(i64 %arg, i64 %tmp2, i64 %tmp10, i64* %tmp33, i64 %tmp79) { entry: %tmp80 = add i64 %tmp79, -16 %tmp81 = inttoptr i64 %tmp80 to i64* %tmp82 = load i64* %tmp81, align 8 tail call void (i64, i32, ...)* @llvm.experimental.stackmap(i64 14, i32 8, i64 %arg, i64 %tmp2, i64 %tmp10, i64 %tmp82) 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) %tmp83 = load i64* %tmp33, align 8 %tmp84 = add i64 %tmp83, -24 %tmp85 = inttoptr i64 %tmp84 to i64* %tmp86 = load i64* %tmp85, align 8 tail call void (i64, i32, ...)* @llvm.experimental.stackmap(i64 17, i32 8, i64 %arg, i64 %tmp10, i64 %tmp86) 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) ret i64 10 } ; Test small patchpoints that don't emit calls. define void @small_patchpoint_codegen(i64 %p1, i64 %p2, i64 %p3, i64 %p4) { entry: ; CHECK-LABEL: small_patchpoint_codegen: ; CHECK: Ltmp ; CHECK: nop ; CHECK-NEXT: nop ; CHECK-NEXT: nop ; CHECK-NEXT: nop ; CHECK-NEXT: nop ; CHECK-NEXT: ldp ; CHECK-NEXT: ret %result = tail call i64 (i64, i32, i8*, i32, ...)* @llvm.experimental.patchpoint.i64(i64 5, i32 20, i8* null, i32 2, i64 %p1, i64 %p2) ret void } ; Test that scratch registers are spilled around patchpoints ; CHECK: InlineAsm End ; CHECK-NEXT: mov x{{[0-9]+}}, x16 ; CHECK-NEXT: mov x{{[0-9]+}}, x17 ; CHECK-NEXT: Ltmp ; CHECK-NEXT: nop define void @clobberScratch(i32* %p) { %v = load i32* %p 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 tail call void (i64, i32, i8*, i32, ...)* @llvm.experimental.patchpoint.void(i64 5, i32 20, i8* null, i32 0, i32* %p, i32 %v) store i32 %v, i32* %p ret void } declare void @llvm.experimental.stackmap(i64, i32, ...) declare void @llvm.experimental.patchpoint.void(i64, i32, i8*, i32, ...) declare i64 @llvm.experimental.patchpoint.i64(i64, i32, i8*, i32, ...)