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Diffstat (limited to 'llvm/test/Transforms/GlobalOpt/GSROA-section.ll')
| -rw-r--r-- | llvm/test/Transforms/GlobalOpt/GSROA-section.ll | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/llvm/test/Transforms/GlobalOpt/GSROA-section.ll b/llvm/test/Transforms/GlobalOpt/GSROA-section.ll new file mode 100644 index 00000000000..a439fa0797d --- /dev/null +++ b/llvm/test/Transforms/GlobalOpt/GSROA-section.ll @@ -0,0 +1,30 @@ +; This test lets globalopt split the global struct and array into different +; values. The pass needs to preserve section attribute. + +; RUN: opt < %s -globalopt -S | FileCheck %s +; Check that the new global values still have their section assignment. +; CHECK: @struct +; CHECK: section ".foo" +; CHECK: @array +; CHECK-NOT: section ".foo" + +@struct = internal global { i32, i32 } zeroinitializer, section ".foo" +@array = internal global [ 2 x i32 ] zeroinitializer + +define i32 @foo() { + %A = load i32, i32* getelementptr ({ i32, i32 }, { i32, i32 }* @struct, i32 0, i32 0) + %B = load i32, i32* getelementptr ([ 2 x i32 ], [ 2 x i32 ]* @array, i32 0, i32 0) + ; Use the loaded values, so they won't get removed completely + %R = add i32 %A, %B + ret i32 %R +} + +; We put stores in a different function, so that the global variables won't get +; optimized away completely. +define void @bar(i32 %R) { + store i32 %R, i32* getelementptr ([ 2 x i32 ], [ 2 x i32 ]* @array, i32 0, i32 0) + store i32 %R, i32* getelementptr ({ i32, i32 }, { i32, i32 }* @struct, i32 0, i32 0) + ret void +} + + |
