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add testcase for r61051 

llvm-svn: 61052
This commit is contained in:
Chris Lattner 2008-12-15 21:46:23 +00:00
parent 49e3bdc165
commit 590b10dba2
1 changed files with 42 additions and 0 deletions
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42
llvm/test/Transforms/GlobalOpt/heap-sra-2.ll Normal file
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; RUN: llvm-as < %s | opt -globalopt | llvm-dis | grep {@X.f0}
; RUN: llvm-as < %s | opt -globalopt | llvm-dis | grep {@X.f1}
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
target triple = "i386-apple-darwin7"
%struct.foo = type { i32, i32 }
@X = internal global %struct.foo* null ; <%struct.foo**> [#uses=2]
define internal fastcc void @bar(i32 %Size) nounwind noinline {
entry:
%0 = malloc [1000000 x %struct.foo]
;%.sub = bitcast [1000000 x %struct.foo]* %0 to %struct.foo*
%.sub = getelementptr [1000000 x %struct.foo]* %0, i32 0, i32 0 ; <%struct.foo*> [#uses=1]
store %struct.foo* %.sub, %struct.foo** @X, align 4
ret void
}
define internal fastcc i32 @baz() nounwind readonly noinline {
bb1.thread:
%0 = load %struct.foo** @X, align 4 ; <%struct.foo*> [#uses=1]
br label %bb1
bb1: ; preds = %bb1, %bb1.thread
%i.0.reg2mem.0 = phi i32 [ 0, %bb1.thread ], [ %indvar.next, %bb1 ] ; <i32> [#uses=2]
%sum.0.reg2mem.0 = phi i32 [ 0, %bb1.thread ], [ %3, %bb1 ] ; <i32> [#uses=1]
%1 = getelementptr %struct.foo* %0, i32 %i.0.reg2mem.0, i32 0 ; <i32*> [#uses=1]
%2 = load i32* %1, align 4 ; <i32> [#uses=1]
%3 = add i32 %2, %sum.0.reg2mem.0 ; <i32> [#uses=2]
%indvar.next = add i32 %i.0.reg2mem.0, 1 ; <i32> [#uses=2]
%exitcond = icmp eq i32 %indvar.next, 1200 ; <i1> [#uses=1]
br i1 %exitcond, label %bb2, label %bb1
bb2: ; preds = %bb1
ret i32 %3
}
define i32 @main(i32 %argc, i8** %argv) nounwind {
entry:
tail call fastcc void @bar(i32 %argc) nounwind noinline
%0 = tail call fastcc i32 @baz() nounwind ; <i32> [#uses=1]
ret i32 %0
}