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llvm-mirror/test/Transforms/InstCombine/apint-div2.ll
2009-09-08 22:34:10 +00:00

23 lines
529 B
LLVM

; This test makes sure that div instructions are properly eliminated.
; This test is for Integer BitWidth >= 64 && BitWidth <= 1024.
;
; RUN: opt < %s -instcombine -S | not grep div
define i333 @test1(i333 %X) {
%Y = udiv i333 %X, 70368744177664
ret i333 %Y
}
define i499 @test2(i499 %X) {
%tmp.0 = shl i499 4096, 197
%Y = udiv i499 %X, %tmp.0
ret i499 %Y
}
define i599 @test3(i599 %X, i1 %C) {
%V = select i1 %C, i599 70368744177664, i599 4096
%R = udiv i599 %X, %V
ret i599 %R
}