1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; RUN: llc < %s -mtriple=i686-- -mcpu=corei7 | FileCheck %s 3 4define signext i16 @t(i16* %qmatrix, i16* %dct, i16* %acBaseTable, i16* %acExtTable, i16 signext %acBaseRes, i16 signext %acMaskRes, i16 signext %acExtRes, i32* %bitptr, i32* %source, i32 %markerPrefix, i8** %byteptr, i32 %scale, i32 %round, i32 %bits) { 5; CHECK-LABEL: t: 6; CHECK: # %bb.0: # %entry 7; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax 8; CHECK-NEXT: movl {{[0-9]+}}(%esp), %ecx 9; CHECK-NEXT: .p2align 4, 0x90 10; CHECK-NEXT: .LBB0_1: # %cond_next127 11; CHECK-NEXT: # =>This Inner Loop Header: Depth=1 12; CHECK-NEXT: movl %eax, %edx 13; CHECK-NEXT: sarl %cl, %edx 14; CHECK-NEXT: incl %edx 15; CHECK-NEXT: cmpl $63, %edx 16; CHECK-NEXT: jb .LBB0_1 17; CHECK-NEXT: # %bb.2: # %UnifiedReturnBlock 18; CHECK-NEXT: xorl %eax, %eax 19; CHECK-NEXT: retl 20entry: 21 br label %cond_next127 22 23cond_next127: ; preds = %cond_next391, %entry 24 %tmp151 = add i32 0, %round ; <i32> [#uses=1] 25 %tmp153 = ashr i32 %tmp151, %scale ; <i32> [#uses=1] 26 %tmp158 = xor i32 0, %tmp153 ; <i32> [#uses=1] 27 %tmp160 = or i32 %tmp158, 0 ; <i32> [#uses=1] 28 %tmp180181 = sext i16 0 to i32 ; <i32> [#uses=1] 29 %tmp183 = add i32 %tmp160, 1 ; <i32> [#uses=1] 30 br i1 false, label %cond_true188, label %cond_next245 31 32cond_true188: ; preds = %cond_next127 33 ret i16 0 34 35cond_next245: ; preds = %cond_next127 36 %tmp253444 = lshr i32 %tmp180181, 4 ; <i32> [#uses=1] 37 %tmp254 = and i32 %tmp253444, 15 ; <i32> [#uses=1] 38 br i1 false, label %cond_true267, label %cond_next391 39 40cond_true267: ; preds = %cond_next245 41 %tmp269 = load i8*, i8** %byteptr, align 4 ; <i8*> [#uses=3] 42 %tmp270 = load i8, i8* %tmp269, align 1 ; <i8> [#uses=1] 43 %tmp270271 = zext i8 %tmp270 to i32 ; <i32> [#uses=1] 44 %tmp272 = getelementptr i8, i8* %tmp269, i32 1 ; <i8*> [#uses=2] 45 store i8* %tmp272, i8** %byteptr, align 4 46 %tmp276 = load i8, i8* %tmp272, align 1 ; <i8> [#uses=1] 47 %tmp278 = getelementptr i8, i8* %tmp269, i32 2 ; <i8*> [#uses=1] 48 store i8* %tmp278, i8** %byteptr, align 4 49 %tmp286 = icmp eq i32 %tmp270271, %markerPrefix ; <i1> [#uses=1] 50 %cond = icmp eq i8 %tmp276, 0 ; <i1> [#uses=1] 51 %bothcond = and i1 %tmp286, %cond ; <i1> [#uses=1] 52 br i1 %bothcond, label %cond_true294, label %cond_next327 53 54cond_true294: ; preds = %cond_true267 55 ret i16 0 56 57cond_next327: ; preds = %cond_true267 58 br i1 false, label %cond_true343, label %cond_next391 59 60cond_true343: ; preds = %cond_next327 61 %tmp345 = load i8*, i8** %byteptr, align 4 ; <i8*> [#uses=1] 62 store i8* null, i8** %byteptr, align 4 63 store i8* %tmp345, i8** %byteptr, align 4 64 br label %cond_next391 65 66cond_next391: ; preds = %cond_true343, %cond_next327, %cond_next245 67 %tmp422445 = add i32 %tmp254, %tmp183 ; <i32> [#uses=1] 68 %tmp429448 = icmp ult i32 %tmp422445, 63 ; <i1> [#uses=1] 69 br i1 %tmp429448, label %cond_next127, label %UnifiedReturnBlock 70 71UnifiedReturnBlock: ; preds = %cond_next391 72 ret i16 0 73} 74