[llvm] r353770 - [Test] Autogenerate a statepoint test and actual show the reload

Philip Reames via llvm-commits llvm-commits at lists.llvm.org
Mon Feb 11 15:55:25 PST 2019


Author: reames
Date: Mon Feb 11 15:55:24 2019
New Revision: 353770

URL: http://llvm.org/viewvc/llvm-project?rev=353770&view=rev
Log:
[Test] Autogenerate a statepoint test and actual show the reload


Modified:
    llvm/trunk/test/CodeGen/X86/statepoint-uniqueing.ll

Modified: llvm/trunk/test/CodeGen/X86/statepoint-uniqueing.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/statepoint-uniqueing.ll?rev=353770&r1=353769&r2=353770&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/statepoint-uniqueing.ll (original)
+++ llvm/trunk/test/CodeGen/X86/statepoint-uniqueing.ll Mon Feb 11 15:55:24 2019
@@ -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
 }




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