| # RUN: llc -mtriple=x86_64-unknown-unknown -mcpu=x86-64 -run-pass=x86-optimize-LEAs -o - %s | FileCheck %s |
| |
| # This test case used to trigger the assertion in the LEA optimization pass: |
| # |
| # assert(MRI->use_empty(LastVReg) && |
| # "The LEA's def register must have no uses"); |
| |
| # CHECK: LEA64r |
| # CHECK-NOT: LEA64r |
| # CHECK: DBG_VALUE_LIST |
| |
| --- | |
| define void @foo() { |
| ret void |
| } |
| |
| !0 = !DIFile(filename: "a", directory: "/proc/self/cwd") |
| !1 = distinct !DISubprogram(name: "c", scope: null, file: !0, line: 3) |
| !2 = !DILocalVariable(name: "r", scope: !1, file: !0, line: 4) |
| !3 = !DILocation(line: 5, scope: !1) |
| ... |
| --- |
| name: foo |
| alignment: 16 |
| tracksRegLiveness: true |
| stack: |
| - { id: 0, size: 40, alignment: 8 } |
| body: | |
| bb.0: |
| %0:gr64 = LEA64r %stack.0, 1, $noreg, 0, $noreg |
| %1:gr64 = LEA64r %stack.0, 1, $noreg, 40, $noreg |
| DBG_VALUE_LIST !2, !DIExpression(DW_OP_LLVM_arg, 0), %1:gr64, %1:gr64, debug-location !3 |
| %2:vr128 = MOVUPSrm %1:gr64, 1, $noreg, 0, $noreg |
| RET64 |
| ... |
