llvm-project/llvm/test/Transforms/GlobalOpt/heap-sra-1.ll

35 lines
1.1 KiB
LLVM

; 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
define void @bar(i32 %Size) nounwind noinline {
entry:
%.sub = malloc %struct.foo, i32 %Size
store %struct.foo* %.sub, %struct.foo** @X, align 4
ret void
}
define i32 @baz() nounwind readonly noinline {
bb1.thread:
%0 = load %struct.foo** @X, align 4
br label %bb1
bb1: ; preds = %bb1, %bb1.thread
%i.0.reg2mem.0 = phi i32 [ 0, %bb1.thread ], [ %indvar.next, %bb1 ]
%sum.0.reg2mem.0 = phi i32 [ 0, %bb1.thread ], [ %3, %bb1 ]
%1 = getelementptr %struct.foo* %0, i32 %i.0.reg2mem.0, i32 0
%2 = load i32* %1, align 4
%3 = add i32 %2, %sum.0.reg2mem.0
%indvar.next = add i32 %i.0.reg2mem.0, 1
%exitcond = icmp eq i32 %indvar.next, 1200
br i1 %exitcond, label %bb2, label %bb1
bb2: ; preds = %bb1
ret i32 %3
}