| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=i686-- -x86-asm-syntax=intel | FileCheck %s |
| |
| ; PR687 |
| |
| define i64 @foo(i64 %x, i64* %X) { |
| ; CHECK-LABEL: foo: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: push esi |
| ; CHECK-NEXT: .cfi_def_cfa_offset 8 |
| ; CHECK-NEXT: .cfi_offset esi, -8 |
| ; CHECK-NEXT: mov esi, dword ptr [esp + 8] |
| ; CHECK-NEXT: mov edx, dword ptr [esp + 12] |
| ; CHECK-NEXT: mov eax, dword ptr [esp + 16] |
| ; CHECK-NEXT: mov cl, byte ptr [eax] |
| ; CHECK-NEXT: mov eax, esi |
| ; CHECK-NEXT: shl eax, cl |
| ; CHECK-NEXT: shld edx, esi, cl |
| ; CHECK-NEXT: test cl, 32 |
| ; CHECK-NEXT: je .LBB0_2 |
| ; CHECK-NEXT: # %bb.1: |
| ; CHECK-NEXT: mov edx, eax |
| ; CHECK-NEXT: xor eax, eax |
| ; CHECK-NEXT: .LBB0_2: |
| ; CHECK-NEXT: pop esi |
| ; CHECK-NEXT: .cfi_def_cfa_offset 4 |
| ; CHECK-NEXT: ret |
| %tmp.1 = load i64, i64* %X ; <i64> [#uses=1] |
| %tmp.3 = trunc i64 %tmp.1 to i8 ; <i8> [#uses=1] |
| %shift.upgrd.1 = zext i8 %tmp.3 to i64 ; <i64> [#uses=1] |
| %tmp.4 = shl i64 %x, %shift.upgrd.1 ; <i64> [#uses=1] |
| ret i64 %tmp.4 |
| } |
| |