llvm-6502/test/CodeGen/X86/2006-05-08-InstrSched.ll
Tanya Lattner 6f729d601c Byebye llvm-upgrade!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48762 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-25 04:26:08 +00:00

27 lines
1.0 KiB
LLVM

; RUN: llvm-as < %s | \
; RUN: llc -march=x86 -relocation-model=static | not grep {subl.*%esp}
@A = external global i16* ; <i16**> [#uses=1]
@B = external global i32 ; <i32*> [#uses=1]
@C = external global i32 ; <i32*> [#uses=2]
define void @test() {
%tmp = load i16** @A ; <i16*> [#uses=1]
%tmp1 = getelementptr i16* %tmp, i32 1 ; <i16*> [#uses=1]
%tmp.upgrd.1 = load i16* %tmp1 ; <i16> [#uses=1]
%tmp3 = zext i16 %tmp.upgrd.1 to i32 ; <i32> [#uses=1]
%tmp.upgrd.2 = load i32* @B ; <i32> [#uses=1]
%tmp4 = and i32 %tmp.upgrd.2, 16 ; <i32> [#uses=1]
%tmp5 = load i32* @C ; <i32> [#uses=1]
%tmp6 = trunc i32 %tmp4 to i8 ; <i8> [#uses=2]
%shift.upgrd.3 = zext i8 %tmp6 to i32 ; <i32> [#uses=1]
%tmp7 = shl i32 %tmp5, %shift.upgrd.3 ; <i32> [#uses=1]
%tmp9 = xor i8 %tmp6, 16 ; <i8> [#uses=1]
%shift.upgrd.4 = zext i8 %tmp9 to i32 ; <i32> [#uses=1]
%tmp11 = lshr i32 %tmp3, %shift.upgrd.4 ; <i32> [#uses=1]
%tmp12 = or i32 %tmp11, %tmp7 ; <i32> [#uses=1]
store i32 %tmp12, i32* @C
ret void
}