1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; RUN: llc < %s -mtriple=i686-- | FileCheck %s 3; PR964 4 5define i8* @FindChar(i8* %CurPtr) { 6; CHECK-LABEL: FindChar: 7; CHECK: # %bb.0: # %entry 8; CHECK-NEXT: pushl %edi 9; CHECK-NEXT: .cfi_def_cfa_offset 8 10; CHECK-NEXT: pushl %esi 11; CHECK-NEXT: .cfi_def_cfa_offset 12 12; CHECK-NEXT: .cfi_offset %esi, -12 13; CHECK-NEXT: .cfi_offset %edi, -8 14; CHECK-NEXT: xorl %edi, %edi 15; CHECK-NEXT: movl {{[0-9]+}}(%esp), %esi 16; CHECK-NEXT: .p2align 4, 0x90 17; CHECK-NEXT: .LBB0_1: # %bb 18; CHECK-NEXT: # =>This Inner Loop Header: Depth=1 19; CHECK-NEXT: movzbl (%esi,%edi), %eax 20; CHECK-NEXT: incl %edi 21; CHECK-NEXT: cmpb $120, %al 22; CHECK-NEXT: je .LBB0_3 23; CHECK-NEXT: # %bb.2: # %bb 24; CHECK-NEXT: # in Loop: Header=BB0_1 Depth=1 25; CHECK-NEXT: testb %al, %al 26; CHECK-NEXT: jne .LBB0_1 27; CHECK-NEXT: .LBB0_3: # %bb7 28; CHECK-NEXT: movzbl %al, %eax 29; CHECK-NEXT: pushl %eax 30; CHECK-NEXT: .cfi_adjust_cfa_offset 4 31; CHECK-NEXT: calll foo 32; CHECK-NEXT: addl $4, %esp 33; CHECK-NEXT: .cfi_adjust_cfa_offset -4 34; CHECK-NEXT: addl %edi, %esi 35; CHECK-NEXT: movl %esi, %eax 36; CHECK-NEXT: popl %esi 37; CHECK-NEXT: .cfi_def_cfa_offset 8 38; CHECK-NEXT: popl %edi 39; CHECK-NEXT: .cfi_def_cfa_offset 4 40; CHECK-NEXT: retl 41entry: 42 br label %bb 43 44bb: ; preds = %bb, %entry 45 %indvar = phi i32 [ 0, %entry ], [ %indvar.next, %bb ] ; <i32> [#uses=3] 46 %CurPtr_addr.0.rec = bitcast i32 %indvar to i32 ; <i32> [#uses=1] 47 %gep.upgrd.1 = zext i32 %indvar to i64 ; <i64> [#uses=1] 48 %CurPtr_addr.0 = getelementptr i8, i8* %CurPtr, i64 %gep.upgrd.1 ; <i8*> [#uses=1] 49 %tmp = load i8, i8* %CurPtr_addr.0 ; <i8> [#uses=3] 50 %tmp2.rec = add i32 %CurPtr_addr.0.rec, 1 ; <i32> [#uses=1] 51 %tmp2 = getelementptr i8, i8* %CurPtr, i32 %tmp2.rec ; <i8*> [#uses=1] 52 %indvar.next = add i32 %indvar, 1 ; <i32> [#uses=1] 53 switch i8 %tmp, label %bb [ 54 i8 0, label %bb7 55 i8 120, label %bb7 56 ] 57 58bb7: ; preds = %bb, %bb 59 tail call void @foo( i8 %tmp ) 60 ret i8* %tmp2 61} 62 63declare void @foo(i8) 64 65