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; Test ensures that non-optimizable array mallocs are not optimized; specifically
; GlobalOpt was treating a non-optimizable array malloc as a non-array malloc
; and optimizing the global object that the malloc was stored to as a single
; element global. The global object @TOP in this test should not be optimized.
; RUN: opt < %s -passes=globalopt -S | FileCheck %s
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"
target triple = "x86_64-apple-darwin10.0"
@TOP = internal global ptr null ; <ptr> [#uses=2]
; CHECK: @TOP = internal unnamed_addr global ptr null
@channelColumns = internal global i64 0 ; <ptr> [#uses=2]
; Derived from @DescribeChannel() in yacr2
define void @test() nounwind ssp {
store i64 2335, ptr @channelColumns, align 8
%1 = load i64, ptr @channelColumns, align 8 ; <i64> [#uses=1]
%2 = shl i64 %1, 3 ; <i64> [#uses=1]
%3 = add i64 %2, 8 ; <i64> [#uses=1]
%4 = call noalias ptr @malloc(i64 %3) nounwind ; <ptr> [#uses=1]
; CHECK: call noalias ptr @malloc
store ptr %4, ptr @TOP, align 8
%5 = load ptr, ptr @TOP, align 8 ; <ptr> [#uses=1]
%6 = getelementptr inbounds i64, ptr %5, i64 13 ; <ptr> [#uses=1]
store i64 0, ptr %6, align 8
ret void
}
declare noalias ptr @malloc(i64) nounwind
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