1# RUN: llc -mtriple=x86_64-unknown-unknown -mcpu=x86-64 -run-pass=x86-optimize-LEAs -o - %s | FileCheck %s 2 3# This test case used to trigger the assertion in the LEA optimization pass: 4# 5# assert(MRI->use_empty(LastVReg) && 6# "The LEA's def register must have no uses"); 7 8# CHECK: LEA64r 9# CHECK-NOT: LEA64r 10# CHECK: DBG_VALUE_LIST 11 12--- | 13 define void @foo() { 14 ret void 15 } 16 17 !0 = !DIFile(filename: "a", directory: "/proc/self/cwd") 18 !1 = distinct !DISubprogram(name: "c", scope: null, file: !0, line: 3) 19 !2 = !DILocalVariable(name: "r", scope: !1, file: !0, line: 4) 20 !3 = !DILocation(line: 5, scope: !1) 21... 22--- 23name: foo 24alignment: 16 25tracksRegLiveness: true 26stack: 27 - { id: 0, size: 40, alignment: 8 } 28body: | 29 bb.0: 30 %0:gr64 = LEA64r %stack.0, 1, $noreg, 0, $noreg 31 %1:gr64 = LEA64r %stack.0, 1, $noreg, 40, $noreg 32 DBG_VALUE_LIST !2, !DIExpression(DW_OP_LLVM_arg, 0), %1:gr64, %1:gr64, debug-location !3 33 %2:vr128 = MOVUPSrm %1:gr64, 1, $noreg, 0, $noreg 34 RET64 35... 36