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llvm-mirror/test/CodeGen/PowerPC/shl_sext.ll
2009-09-09 00:09:15 +00:00

19 lines
720 B
LLVM

; This test should not contain a sign extend
; RUN: llc < %s -march=ppc32 | not grep extsb
define i32 @test(i32 %mode.0.i.0) {
%tmp.79 = trunc i32 %mode.0.i.0 to i8 ; <i8> [#uses=1]
%tmp.80 = sext i8 %tmp.79 to i32 ; <i32> [#uses=1]
%tmp.81 = shl i32 %tmp.80, 24 ; <i32> [#uses=1]
ret i32 %tmp.81
}
define i32 @test2(i32 %mode.0.i.0) {
%tmp.79 = trunc i32 %mode.0.i.0 to i8 ; <i8> [#uses=1]
%tmp.80 = sext i8 %tmp.79 to i32 ; <i32> [#uses=1]
%tmp.81 = shl i32 %tmp.80, 16 ; <i32> [#uses=1]
%tmp.82 = and i32 %tmp.81, 16711680 ; <i32> [#uses=1]
ret i32 %tmp.82
}