llvm/test/CodeGen/X86/shl_elim.ll
2009-09-08 23:54:48 +00:00

14 lines
564 B
LLVM

; RUN: llc < %s -march=x86 | grep {movl 8(.esp), %eax}
; RUN: llc < %s -march=x86 | grep {shrl .eax}
; RUN: llc < %s -march=x86 | grep {movswl .ax, .eax}
define i32 @test1(i64 %a) {
%tmp29 = lshr i64 %a, 24 ; <i64> [#uses=1]
%tmp23 = trunc i64 %tmp29 to i32 ; <i32> [#uses=1]
%tmp410 = lshr i32 %tmp23, 9 ; <i32> [#uses=1]
%tmp45 = trunc i32 %tmp410 to i16 ; <i16> [#uses=1]
%tmp456 = sext i16 %tmp45 to i32 ; <i32> [#uses=1]
ret i32 %tmp456
}