maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

[Test] Autogenerate a statepoint test and actual show the reload 

llvm-svn: 353770
This commit is contained in:
Philip Reames 2019-02-11 23:55:24 +00:00
parent 55fb848e84
commit 6a3862e3c2
1 changed files with 32 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

34
llvm/test/CodeGen/X86/statepoint-uniqueing.ll
View File

@ -1,3 +1,4 @@
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -verify-machineinstrs < %s | FileCheck %s
; Checks for a crash we had when two gc.relocate calls would
@ -6,26 +7,55 @@
target datalayout = "e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-pc-linux-gnu"
declare void @use(...)
declare void @f()
declare token @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
declare i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token, i32, i32) #3
declare i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token, i32, i32) #3
define void @test_gcrelocate_uniqueing(i32 addrspace(1)* %ptr) gc "statepoint-example" {
; CHECK-LABEL: test_gcrelocate_uniqueing
; CHECK-LABEL: test_gcrelocate_uniqueing:
; CHECK: # %bb.0:
; CHECK-NEXT: subq $24, %rsp
; CHECK-NEXT: .cfi_def_cfa_offset 32
; CHECK-NEXT: movq %rdi, {{[0-9]+}}(%rsp)
; CHECK-NEXT: callq f
; CHECK-NEXT: .Ltmp0:
; CHECK-NEXT: movq {{[0-9]+}}(%rsp), %rdi
; CHECK-NEXT: movq %rdi, %rsi
; CHECK-NEXT: xorl %eax, %eax
; CHECK-NEXT: callq use
; CHECK-NEXT: addq $24, %rsp
; CHECK-NEXT: .cfi_def_cfa_offset 8
; CHECK-NEXT: retq
%tok = tail call token (i64, i32, void ()*, i32, i32, ...)
@llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @f, i32 0, i32 0, i32 0, i32 2, i32 addrspace(1)* %ptr, i32 undef, i32 addrspace(1)* %ptr, i32 addrspace(1)* %ptr)
%a = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %tok, i32 9, i32 9)
%b = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %tok, i32 10, i32 10)
call void (...) @use(i32 addrspace(1)* %a, i32 addrspace(1)* %b)
ret void
}
define void @test_gcptr_uniqueing(i32 addrspace(1)* %ptr) gc "statepoint-example" {
; CHECK-LABEL: test_gcptr_uniqueing
; CHECK-LABEL: test_gcptr_uniqueing:
; CHECK: # %bb.0:
; CHECK-NEXT: subq $24, %rsp
; CHECK-NEXT: .cfi_def_cfa_offset 32
; CHECK-NEXT: movq %rdi, {{[0-9]+}}(%rsp)
; CHECK-NEXT: callq f
; CHECK-NEXT: .Ltmp1:
; CHECK-NEXT: movq {{[0-9]+}}(%rsp), %rdi
; CHECK-NEXT: movq %rdi, %rsi
; CHECK-NEXT: xorl %eax, %eax
; CHECK-NEXT: callq use
; CHECK-NEXT: addq $24, %rsp
; CHECK-NEXT: .cfi_def_cfa_offset 8
; CHECK-NEXT: retq
%ptr2 = bitcast i32 addrspace(1)* %ptr to i8 addrspace(1)*
%tok = tail call token (i64, i32, void ()*, i32, i32, ...)
@llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @f, i32 0, i32 0, i32 0, i32 2, i32 addrspace(1)* %ptr, i32 undef, i32 addrspace(1)* %ptr, i8 addrspace(1)* %ptr2)
%a = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %tok, i32 9, i32 9)
%b = call i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token %tok, i32 10, i32 10)
call void (...) @use(i32 addrspace(1)* %a, i8 addrspace(1)* %b)
ret void
}