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1# RUN: llc -mtriple=x86_64-unknown-unknown -mcpu=x86-64 -run-pass=x86-optimize-LEAs -o - %s | FileCheck %s2 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: LEA64r9# CHECK-NOT: LEA64r10# CHECK: DBG_VALUE_LIST11 12--- |13 define void @foo() {14 ret void15 }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: foo24alignment: 1625tracksRegLiveness: true26stack:27 - { id: 0, size: 40, alignment: 8 }28body: |29 bb.0:30 %0:gr64 = LEA64r %stack.0, 1, $noreg, 0, $noreg31 %1:gr64 = LEA64r %stack.0, 1, $noreg, 40, $noreg32 DBG_VALUE_LIST !2, !DIExpression(DW_OP_LLVM_arg, 0), %1:gr64, %1:gr64, debug-location !333 %2:vr128 = MOVUPSrm %1:gr64, 1, $noreg, 0, $noreg34 RET6435...36