1 files changed, 88 insertions, 0 deletions
diff --git a/test/CodeGen/X86/patchpoint-webkit_jscc.ll b/test/CodeGen/X86/patchpoint-webkit_jscc.ll
new file mode 100644
index 0000000..5e76bf8
--- /dev/null
+++ b/test/CodeGen/X86/patchpoint-webkit_jscc.ll
@@ -0,0 +1,88 @@
+; RUN: llc -mtriple=x86_64-apple-darwin -mcpu=corei7                             < %s | FileCheck %s
+; RUN: llc -mtriple=x86_64-apple-darwin -mcpu=corei7 -fast-isel -fast-isel-abort < %s | FileCheck %s --check-prefix=FAST
+
+; 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{{.+}}, %rax
+; CHECK:      Ltmp
+; CHECK-NEXT: movabsq $-559038736, %r11
+; CHECK-NEXT: callq *%r11
+; CHECK:      movq %rax, (%rsp)
+; CHECK:      callq
+; FAST-LABEL: jscall_patchpoint_codegen:
+; FAST:       Ltmp
+; FAST:       movq %r{{.+}}, (%rsp)
+; FAST:       movq %r{{.+}}, %rax
+; FAST:       Ltmp
+; FAST-NEXT:  movabsq $-559038736, %r11
+; FAST-NEXT:  callq *%r11
+; FAST:       movq %rax, (%rsp)
+; FAST:       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 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:      movq $6, 24(%rsp)
+; CHECK-NEXT: movl $4, 16(%rsp)
+; CHECK-NEXT: movq $2, (%rsp)
+; CHECK:      Ltmp
+; CHECK-NEXT: movabsq $-559038736, %r11
+; CHECK-NEXT: callq *%r11
+; FAST-LABEL: jscall_patchpoint_codegen2:
+; FAST:       Ltmp
+; FAST:       movq $2, (%rsp)
+; FAST-NEXT:  movl $4, 16(%rsp)
+; FAST-NEXT:  movq $6, 24(%rsp)
+; FAST:       Ltmp
+; FAST-NEXT:  movabsq $-559038736, %r11
+; FAST-NEXT:  callq *%r11
+  %call = inttoptr i64 -559038736 to i8*
+  %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)
+  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:      movq $10, 48(%rsp)
+; CHECK-NEXT: movl  $8, 36(%rsp)
+; CHECK-NEXT: movq  $6, 24(%rsp)
+; CHECK-NEXT: movl  $4, 16(%rsp)
+; CHECK-NEXT: movq  $2, (%rsp)
+; CHECK:      Ltmp
+; CHECK-NEXT: movabsq $-559038736, %r11
+; CHECK-NEXT: callq *%r11
+; FAST-LABEL: jscall_patchpoint_codegen3:
+; FAST:       Ltmp
+; FAST:       movq  $2, (%rsp)
+; FAST-NEXT:  movl  $4, 16(%rsp)
+; FAST-NEXT:  movq  $6, 24(%rsp)
+; FAST-NEXT:  movl  $8, 36(%rsp)
+; FAST-NEXT:  movq $10, 48(%rsp)
+; FAST:       Ltmp
+; FAST-NEXT:  movabsq $-559038736, %r11
+; FAST-NEXT:  callq *%r11
+  %call = inttoptr i64 -559038736 to i8*
+  %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)
+  ret i64 %result
+}
+
+declare void @llvm.experimental.patchpoint.void(i64, i32, i8*, i32, ...)
+declare i64 @llvm.experimental.patchpoint.i64(i64, i32, i8*, i32, ...)
+