From d9eb920aa4d90e59f6c855bf2b593cdd231ed155 Mon Sep 17 00:00:00 2001 From: Pete Cooper Date: Tue, 8 Nov 2011 19:06:53 +0000 Subject: Adding test for machine-licm operating on invariant load instructions git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144104 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/CodeGen/X86/hoist-invariant-load.ll | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 test/CodeGen/X86/hoist-invariant-load.ll (limited to 'test') diff --git a/test/CodeGen/X86/hoist-invariant-load.ll b/test/CodeGen/X86/hoist-invariant-load.ll new file mode 100644 index 0000000000..4289fa7cc2 --- /dev/null +++ b/test/CodeGen/X86/hoist-invariant-load.ll @@ -0,0 +1,29 @@ +; RUN: llc < %s -stats -O2 |& grep "1 machine-licm" + +target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" +target triple = "x86_64-apple-macosx10.7.2" + +@"\01L_OBJC_METH_VAR_NAME_" = internal global [4 x i8] c"foo\00", section "__TEXT,__objc_methname,cstring_literals", align 1 +@"\01L_OBJC_SELECTOR_REFERENCES_" = internal global i8* getelementptr inbounds ([4 x i8]* @"\01L_OBJC_METH_VAR_NAME_", i64 0, i64 0), section "__DATA, __objc_selrefs, literal_pointers, no_dead_strip" +@"\01L_OBJC_IMAGE_INFO" = internal constant [2 x i32] [i32 0, i32 16], section "__DATA, __objc_imageinfo, regular, no_dead_strip" +@llvm.used = appending global [3 x i8*] [i8* getelementptr inbounds ([4 x i8]* @"\01L_OBJC_METH_VAR_NAME_", i32 0, i32 0), i8* bitcast (i8** @"\01L_OBJC_SELECTOR_REFERENCES_" to i8*), i8* bitcast ([2 x i32]* @"\01L_OBJC_IMAGE_INFO" to i8*)], section "llvm.metadata" + +define void @test(i8* %x) uwtable ssp { +entry: + br label %for.body + +for.body: ; preds = %for.body, %entry + %i.01 = phi i32 [ 0, %entry ], [ %inc, %for.body ] + %0 = load i8** @"\01L_OBJC_SELECTOR_REFERENCES_", align 8, !invariant.load !0 + %call = tail call i8* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to i8* (i8*, i8*)*)(i8* %x, i8* %0) + %inc = add i32 %i.01, 1 + %exitcond = icmp eq i32 %inc, 10000 + br i1 %exitcond, label %for.end, label %for.body + +for.end: ; preds = %for.body + ret void +} + +declare i8* @objc_msgSend(i8*, i8*, ...) nonlazybind + +!0 = metadata !{} -- cgit v1.2.3