llvm-6502/test/Transforms/GlobalOpt/integer-bool.ll
2008-03-01 09:15:35 +00:00

24 lines
527 B
LLVM

; RUN: llvm-as < %s | opt -globalopt -instcombine | \
; RUN: llvm-dis | grep {ret i1 true}
;; check that global opt turns integers that only hold 0 or 1 into bools.
@G = internal global i32 0 ; <i32*> [#uses=3]
define void @set1() {
store i32 0, i32* @G
ret void
}
define void @set2() {
store i32 1, i32* @G
ret void
}
define i1 @get() {
%A = load i32* @G ; <i32> [#uses=1]
%C = icmp slt i32 %A, 2 ; <i1> [#uses=1]
ret i1 %C
}