; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7 -disable-fp-elim | 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: movabsq $-559038736, %r11 ; CHECK-NEXT: callq *%r11 ; CHECK-NEXT: xchgw %ax, %ax ; CHECK: movq %rax, %[[REG:r.+]] ; CHECK: callq *%r11 ; CHECK-NEXT: xchgw %ax, %ax ; CHECK: movq %[[REG]], %rax ; CHECK: ret %resolveCall2 = inttoptr i64 -559038736 to i8* %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) %resolveCall3 = inttoptr i64 -559038737 to i8* tail call void (i64, i32, i8*, i32, ...)* @llvm.experimental.patchpoint.void(i64 3, i32 15, 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: subq $32, %rsp ; CHECK: Ltmp ; CHECK: addq $32, %rsp ; 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 $rax. define void @jscall_patchpoint_codegen(i64 %p1, i64 %p2, i64 %p3, i64 %p4) { entry: ; CHECK-LABEL: jscall_patchpoint_codegen: ; CHECK: Ltmp ; CHECK: movq %r{{.+}}, (%rsp) ; CHECK: movq %r{{.+}}, %rdi ; CHECK: Ltmp ; CHECK-NEXT: movabsq $-559038736, %r11 ; CHECK-NEXT: callq *%r11 ; CHECK: movq %rax, (%rsp) ; CHECK: callq %resolveCall2 = inttoptr i64 -559038736 to i8* %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) %resolveCall3 = inttoptr i64 -559038737 to i8* 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) ret void } ; 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 5, i64 %arg, i64 %tmp2, i64 %tmp10, i64 %tmp82) 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) %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 5, i64 %arg, i64 %tmp10, i64 %tmp86) 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) 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: nopl 8(%rax,%rax) ; CHECK-NEXT: popq ; CHECK-NEXT: ret %result = tail call i64 (i64, i32, i8*, i32, ...)* @llvm.experimental.patchpoint.i64(i64 5, i32 5, i8* null, i32 2, i64 %p1, i64 %p2) 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, ...)