36 lines
1,018 B
Text
36 lines
1,018 B
Text
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# RUN: llc -mtriple=x86_64-unknown-unknown -mcpu=x86-64 -run-pass=x86-optimize-LEAs -o - %s | FileCheck %s
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# This test case used to trigger the assertion in the LEA optimization pass:
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#
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# assert(MRI->use_empty(LastVReg) &&
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# "The LEA's def register must have no uses");
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# CHECK: LEA64r
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# CHECK-NOT: LEA64r
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# CHECK: DBG_VALUE_LIST
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--- |
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define void @foo() {
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ret void
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}
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!0 = !DIFile(filename: "a", directory: "/proc/self/cwd")
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!1 = distinct !DISubprogram(name: "c", scope: null, file: !0, line: 3)
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!2 = !DILocalVariable(name: "r", scope: !1, file: !0, line: 4)
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!3 = !DILocation(line: 5, scope: !1)
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...
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---
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name: foo
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alignment: 16
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tracksRegLiveness: true
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stack:
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- { id: 0, size: 40, alignment: 8 }
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body: |
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bb.0:
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%0:gr64 = LEA64r %stack.0, 1, $noreg, 0, $noreg
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%1:gr64 = LEA64r %stack.0, 1, $noreg, 40, $noreg
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DBG_VALUE_LIST !2, !DIExpression(DW_OP_LLVM_arg, 0), %1:gr64, %1:gr64, debug-location !3
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%2:vr128 = MOVUPSrm %1:gr64, 1, $noreg, 0, $noreg
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RET64
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...
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