diff options
Diffstat (limited to 'llvm/test/Transforms/GlobalOpt/externally-initialized-aggregate.ll')
-rw-r--r-- | llvm/test/Transforms/GlobalOpt/externally-initialized-aggregate.ll | 50 |
1 files changed, 0 insertions, 50 deletions
diff --git a/llvm/test/Transforms/GlobalOpt/externally-initialized-aggregate.ll b/llvm/test/Transforms/GlobalOpt/externally-initialized-aggregate.ll deleted file mode 100644 index 2434f20e92b..00000000000 --- a/llvm/test/Transforms/GlobalOpt/externally-initialized-aggregate.ll +++ /dev/null @@ -1,50 +0,0 @@ -; RUN: opt < %s -S -globalopt | FileCheck %s - -; This global is externally_initialized, so if we split it into scalars we -; should keep that flag set on all of the new globals. This will prevent the -; store to @a[0] from being constant propagated to the load in @foo, but will not -; prevent @a[1] from being removed since it is dead. -; CHECK: @a.0 = internal unnamed_addr externally_initialized global i32 undef -; CHECK-NOT: @a.1 -@a = internal externally_initialized global [2 x i32] undef, align 4 -; This is the same, but a struct rather than an array. -; CHECK: @b.0 = internal unnamed_addr externally_initialized global i32 undef -; CHECK-NOT: @b.1 -@b = internal externally_initialized global {i32, i32} undef, align 4 - -define i32 @foo() { -; CHECK-LABEL: define i32 @foo -entry: -; This load uses the split global, but cannot be constant-propagated away. -; CHECK: %0 = load i32, i32* @a.0 - %0 = load i32, i32* getelementptr inbounds ([2 x i32], [2 x i32]* @a, i32 0, i32 0), align 4 - ret i32 %0 -} - -define i32 @bar() { -; CHECK-LABEL: define i32 @bar -entry: -; This load uses the split global, but cannot be constant-propagated away. -; CHECK: %0 = load i32, i32* @b.0 - %0 = load i32, i32* getelementptr inbounds ({i32, i32}, {i32, i32}* @b, i32 0, i32 0), align 4 - ret i32 %0 -} - -define void @init() { -; CHECK-LABEL: define void @init -entry: -; This store uses the split global, but cannot be constant-propagated away. -; CHECK: store i32 1, i32* @a.0 - store i32 1, i32* getelementptr inbounds ([2 x i32], [2 x i32]* @a, i32 0, i32 0), align 4 -; This store can be removed, because the second element of @a is never read. -; CHECK-NOT: store i32 2, i32* @a.1 - store i32 2, i32* getelementptr inbounds ([2 x i32], [2 x i32]* @a, i32 0, i32 1), align 4 - -; This store uses the split global, but cannot be constant-propagated away. -; CHECK: store i32 3, i32* @b.0 - store i32 3, i32* getelementptr inbounds ({i32, i32}, {i32, i32}* @b, i32 0, i32 0), align 4 -; This store can be removed, because the second element of @b is never read. -; CHECK-NOT: store i32 4, i32* @b.1 - store i32 4, i32* getelementptr inbounds ({i32, i32}, {i32, i32}* @b, i32 0, i32 1), align 4 - ret void -} |