; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=i686-- | FileCheck %s ; PR964 define i8* @FindChar(i8* %CurPtr) { ; CHECK-LABEL: FindChar: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: pushl %edi ; CHECK-NEXT: .cfi_def_cfa_offset 8 ; CHECK-NEXT: pushl %esi ; CHECK-NEXT: .cfi_def_cfa_offset 12 ; CHECK-NEXT: .cfi_offset %esi, -12 ; CHECK-NEXT: .cfi_offset %edi, -8 ; CHECK-NEXT: xorl %edi, %edi ; CHECK-NEXT: movl {{[0-9]+}}(%esp), %esi ; CHECK-NEXT: .p2align 4, 0x90 ; CHECK-NEXT: .LBB0_1: # %bb ; CHECK-NEXT: # =>This Inner Loop Header: Depth=1 ; CHECK-NEXT: movzbl (%esi,%edi), %eax ; CHECK-NEXT: incl %edi ; CHECK-NEXT: cmpb $120, %al ; CHECK-NEXT: je .LBB0_3 ; CHECK-NEXT: # %bb.2: # %bb ; CHECK-NEXT: # in Loop: Header=BB0_1 Depth=1 ; CHECK-NEXT: testb %al, %al ; CHECK-NEXT: jne .LBB0_1 ; CHECK-NEXT: .LBB0_3: # %bb7 ; CHECK-NEXT: movzbl %al, %eax ; CHECK-NEXT: pushl %eax ; CHECK-NEXT: .cfi_adjust_cfa_offset 4 ; CHECK-NEXT: calll foo ; CHECK-NEXT: addl $4, %esp ; CHECK-NEXT: .cfi_adjust_cfa_offset -4 ; CHECK-NEXT: addl %edi, %esi ; CHECK-NEXT: movl %esi, %eax ; CHECK-NEXT: popl %esi ; CHECK-NEXT: .cfi_def_cfa_offset 8 ; CHECK-NEXT: popl %edi ; CHECK-NEXT: .cfi_def_cfa_offset 4 ; CHECK-NEXT: retl entry: br label %bb bb: ; preds = %bb, %entry %indvar = phi i32 [ 0, %entry ], [ %indvar.next, %bb ] ; [#uses=3] %CurPtr_addr.0.rec = bitcast i32 %indvar to i32 ; [#uses=1] %gep.upgrd.1 = zext i32 %indvar to i64 ; [#uses=1] %CurPtr_addr.0 = getelementptr i8, i8* %CurPtr, i64 %gep.upgrd.1 ; [#uses=1] %tmp = load i8, i8* %CurPtr_addr.0 ; [#uses=3] %tmp2.rec = add i32 %CurPtr_addr.0.rec, 1 ; [#uses=1] %tmp2 = getelementptr i8, i8* %CurPtr, i32 %tmp2.rec ; [#uses=1] %indvar.next = add i32 %indvar, 1 ; [#uses=1] switch i8 %tmp, label %bb [ i8 0, label %bb7 i8 120, label %bb7 ] bb7: ; preds = %bb, %bb tail call void @foo( i8 %tmp ) ret i8* %tmp2 } declare void @foo(i8)