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; RUN: opt -instcombine %s -S 2>&1 | FileCheck %s
; RUN: opt -aa-pipeline=basic-aa -passes=instcombine %s -S 2>&1 | FileCheck %s
; Checking successful store-load optimization of array length.
; Function below should deduce just to "return length".
; Doable only if instcombine has access to alias-analysis.
define i32 @test1(i32 %length) {
; CHECK-LABEL: entry:
entry:
%array = alloca i32, i32 2
; CHECK-NOT: %array
%length_gep = getelementptr inbounds i32, i32 * %array, i32 0
%value_gep = getelementptr inbounds i32, i32 * %array, i32 1
store i32 %length, i32 * %length_gep
store i32 0, i32 * %value_gep
%loaded_length = load i32, i32 * %length_gep
; CHECK-NOT: %loaded_length = load i32
ret i32 %loaded_length
; CHECK: ret i32 %length
}
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