; RUN: opt -S -memdep -gvn -basic-aa < %s | FileCheck %s | |
; RUN: opt -S -memdep -memdep-block-scan-limit=1 -gvn -basic-aa < %s | FileCheck %s --check-prefix=WITH-LIMIT | |
; CHECK-LABEL: @test( | |
; CHECK: load | |
; CHECK-NOT: load | |
; WITH-LIMIT-LABEL: @test( | |
; WITH-LIMIT-CHECK: load | |
; WITH-LIMIT-CHECK: load | |
define i32 @test(i32* %p) { | |
%1 = load i32, i32* %p | |
%2 = add i32 %1, 3 | |
%3 = load i32, i32* %p | |
%4 = add i32 %2, %3 | |
ret i32 %4 | |
} |