xref: /llvm-project/llvm/test/Transforms/GlobalOpt/2009-11-16-BrokenPerformHeapAllocSRoA.ll (revision d586bd5ca231a6022f439d4c6e43cfeeb53eb1d6)
1; RUN: opt < %s -passes=globalopt -S | FileCheck %s
2
3target 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"
4target triple = "x86_64-apple-darwin10.0"
5
6%struct.hashheader = type { i16, i16, i16, i16, i16, i16, i32, i32, i32, i32, i32, i32, i32, i32, i32, [5 x i8], [13 x i8], i8, i8, i8, [228 x i16], [228 x i8], [228 x i8], [228 x i8], [228 x i8], [228 x i8], [228 x i8], [128 x i8], [100 x [11 x i8]], [100 x i32], [100 x i32], i16 }
7%struct.strchartype = type { ptr, ptr, ptr }
8
9@hashheader = internal global %struct.hashheader zeroinitializer, align 32 ; <ptr> [#uses=1]
10@chartypes = internal global ptr null ; <ptr> [#uses=1]
11; CHECK-NOT: @hashheader
12; CHECK-NOT: @chartypes
13
14; based on linit in office-ispell
15define void @test() nounwind ssp {
16  %1 = load i32, ptr getelementptr inbounds (%struct.hashheader, ptr @hashheader, i64 0, i32 13), align 8 ; <i32> [#uses=1]
17  %2 = sext i32 %1 to i64                         ; <i64> [#uses=1]
18  %3 = mul i64 %2, ptrtoint (ptr getelementptr (%struct.strchartype, ptr null, i64 1) to i64) ; <i64> [#uses=1]
19  %4 = tail call ptr @malloc(i64 %3)              ; <ptr> [#uses=1]
20; CHECK-NOT: call ptr @malloc(i64
21  store ptr %4, ptr @chartypes, align 8
22  ret void
23}
24
25declare noalias ptr @malloc(i64) allockind("alloc,uninitialized")
26