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llvm-mirror/test/Transforms/InstCombine/nsw.ll

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; RUN: opt < %s -instcombine -S | FileCheck %s
; CHECK: define i32 @foo
; %y = sub i32 0, %x
; %z = sdiv i32 %y, 337
; ret i32 %y
define i32 @foo(i32 %x) {
%y = sub i32 0, %x
%z = sdiv i32 %y, 337
ret i32 %y
}
; CHECK: define i32 @bar
; %y = sdiv i32 %x, -337
; ret i32 %y
define i32 @bar(i32 %x) {
%y = sub nsw i32 0, %x
%z = sdiv i32 %y, 337
ret i32 %y
}