1; RUN: llc %s -mtriple=aarch64-linux-gnuabi -aarch64-enable-global-merge -o - | 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-n32:64-S128" 4target triple = "arm64-apple-ios7.0.0" 5 6@bar = internal global [5 x i32] zeroinitializer, align 4 7@baz = internal global [5 x i32] zeroinitializer, align 4 8@foo = internal global [5 x i32] zeroinitializer, align 4 9 10; Function Attrs: nounwind ssp 11define internal void @initialize() #0 { 12 %1 = tail call i32 @calc() #2 13 store i32 %1, ptr @bar, align 4 14 %2 = tail call i32 @calc() #2 15 store i32 %2, ptr @baz, align 4 16 %3 = tail call i32 @calc() #2 17 store i32 %3, ptr getelementptr inbounds ([5 x i32], ptr @bar, i64 0, i64 1), align 4 18 %4 = tail call i32 @calc() #2 19 store i32 %4, ptr getelementptr inbounds ([5 x i32], ptr @baz, i64 0, i64 1), align 4 20 %5 = tail call i32 @calc() #2 21 store i32 %5, ptr getelementptr inbounds ([5 x i32], ptr @bar, i64 0, i64 2), align 4 22 %6 = tail call i32 @calc() #2 23 store i32 %6, ptr getelementptr inbounds ([5 x i32], ptr @baz, i64 0, i64 2), align 4 24 %7 = tail call i32 @calc() #2 25 store i32 %7, ptr getelementptr inbounds ([5 x i32], ptr @bar, i64 0, i64 3), align 4 26 %8 = tail call i32 @calc() #2 27 store i32 %8, ptr getelementptr inbounds ([5 x i32], ptr @baz, i64 0, i64 3), align 4 28 %9 = tail call i32 @calc() #2 29 store i32 %9, ptr getelementptr inbounds ([5 x i32], ptr @bar, i64 0, i64 4), align 4 30 %10 = tail call i32 @calc() #2 31 store i32 %10, ptr getelementptr inbounds ([5 x i32], ptr @baz, i64 0, i64 4), align 4 32 ret void 33} 34 35declare i32 @calc(...) 36 37; Function Attrs: nounwind ssp 38define internal void @calculate() #0 { 39 %1 = load i32, ptr @bar, align 4 40 %2 = load i32, ptr @baz, align 4 41 %3 = mul nsw i32 %2, %1 42 store i32 %3, ptr @foo, align 4 43 %4 = load i32, ptr getelementptr inbounds ([5 x i32], ptr @bar, i64 0, i64 1), align 4 44 %5 = load i32, ptr getelementptr inbounds ([5 x i32], ptr @baz, i64 0, i64 1), align 4 45 %6 = mul nsw i32 %5, %4 46 store i32 %6, ptr getelementptr inbounds ([5 x i32], ptr @foo, i64 0, i64 1), align 4 47 %7 = load i32, ptr getelementptr inbounds ([5 x i32], ptr @bar, i64 0, i64 2), align 4 48 %8 = load i32, ptr getelementptr inbounds ([5 x i32], ptr @baz, i64 0, i64 2), align 4 49 %9 = mul nsw i32 %8, %7 50 store i32 %9, ptr getelementptr inbounds ([5 x i32], ptr @foo, i64 0, i64 2), align 4 51 %10 = load i32, ptr getelementptr inbounds ([5 x i32], ptr @bar, i64 0, i64 3), align 4 52 %11 = load i32, ptr getelementptr inbounds ([5 x i32], ptr @baz, i64 0, i64 3), align 4 53 %12 = mul nsw i32 %11, %10 54 store i32 %12, ptr getelementptr inbounds ([5 x i32], ptr @foo, i64 0, i64 3), align 4 55 %13 = load i32, ptr getelementptr inbounds ([5 x i32], ptr @bar, i64 0, i64 4), align 4 56 %14 = load i32, ptr getelementptr inbounds ([5 x i32], ptr @baz, i64 0, i64 4), align 4 57 %15 = mul nsw i32 %14, %13 58 store i32 %15, ptr getelementptr inbounds ([5 x i32], ptr @foo, i64 0, i64 4), align 4 59 ret void 60} 61 62; Function Attrs: nounwind readnone ssp 63define internal ptr @returnFoo() #1 { 64 ret ptr @foo 65} 66 67;CHECK: .type .L_MergedGlobals,@object // @_MergedGlobals 68;CHECK: .local .L_MergedGlobals 69;CHECK: .comm .L_MergedGlobals,60,4 70 71attributes #0 = { nounwind ssp } 72attributes #1 = { nounwind readnone ssp } 73attributes #2 = { nounwind } 74