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llvm-6502/test/CodeGen/PowerPC/and_add.ll
2009-09-09 00:09:15 +00:00

16 lines
415 B
LLVM

; RUN: llc < %s -march=ppc32 -o %t
; RUN: grep slwi %t
; RUN: not grep addi %t
; RUN: not grep rlwinm %t
define i32 @test(i32 %A) {
;; shift
%B = mul i32 %A, 8 ; <i32> [#uses=1]
;; dead, no demanded bits.
%C = add i32 %B, 7 ; <i32> [#uses=1]
;; dead once add is gone.
%D = and i32 %C, -8 ; <i32> [#uses=1]
ret i32 %D
}