| ; 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. |
| ; <rdar:15390785> 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, ...) |