1 ; RUN: opt -globals-aa -gvn < %s -S | FileCheck %s 2 3 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 4 target triple = "x86_64-unknown-linux-gnu" 5 6 ; @o and @m are initialized to @i, so they should not be classed as 7 ; indirect globals referring only to allocation functions. 8 @o = internal global i32* @i, align 8 9 @m = internal global i32* @i, align 8 10 @i = internal global i32 0, align 4 11 12 ; CHECK-LABEL: @f 13 define i1 @f() { 14 entry: 15 %0 = load i32*, i32** @o, align 8 16 store i32 0, i32* %0, align 4 17 %1 = load volatile i32*, i32** @m, align 8 18 store i32 1, i32* %1, align 4 19 ; CHECK: %[[a:.*]] = load i32* 20 %2 = load i32*, i32** @o, align 8 21 ; CHECK: %[[b:.*]] = load i32, i32* %[[a]] 22 %3 = load i32, i32* %2, align 4 23 ; CHECK: %[[c:.*]] = icmp ne i32 %[[b]], 0 24 %tobool.i = icmp ne i32 %3, 0 25 ; CHECK: ret i1 %[[c]] 26 ret i1 %tobool.i 27 } 28
