| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=i686-- -relocation-model=static | FileCheck %s |
| |
| @A = external global i16* ; <i16**> [#uses=1] |
| @B = external global i32 ; <i32*> [#uses=1] |
| @C = external global i32 ; <i32*> [#uses=2] |
| |
| define void @test() { |
| ; CHECK-LABEL: test: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: movl A, %eax |
| ; CHECK-NEXT: movzwl 2(%eax), %eax |
| ; CHECK-NEXT: movb B, %cl |
| ; CHECK-NEXT: movl C, %edx |
| ; CHECK-NEXT: andb $16, %cl |
| ; CHECK-NEXT: shll %cl, %edx |
| ; CHECK-NEXT: xorb $16, %cl |
| ; CHECK-NEXT: shrl %cl, %eax |
| ; CHECK-NEXT: orl %edx, %eax |
| ; CHECK-NEXT: movl %eax, C |
| ; CHECK-NEXT: retl |
| %tmp = load i16*, i16** @A ; <i16*> [#uses=1] |
| %tmp1 = getelementptr i16, i16* %tmp, i32 1 ; <i16*> [#uses=1] |
| %tmp.upgrd.1 = load i16, i16* %tmp1 ; <i16> [#uses=1] |
| %tmp3 = zext i16 %tmp.upgrd.1 to i32 ; <i32> [#uses=1] |
| %tmp.upgrd.2 = load i32, i32* @B ; <i32> [#uses=1] |
| %tmp4 = and i32 %tmp.upgrd.2, 16 ; <i32> [#uses=1] |
| %tmp5 = load i32, 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 |
| } |
| |
