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35c59e408d
Re-commit of r214832,r21469 with a work-around that avoids the previous problem with gcc build compilers The work-around is to use SmallVector instead of ArrayRef of basic blocks in preservesResourceLen()/MachineCombiner.cpp llvm-svn: 215151
20 lines
651 B
LLVM
20 lines
651 B
LLVM
; RUN: llc -mtriple=arm64-apple-ios7.0 %s -o - | FileCheck %s
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; RUN: llc -mtriple=aarch64_be-linux-gnu %s -o - | FileCheck --check-prefix=CHECK-BE %s
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define i128 @test_128bitmul(i128 %lhs, i128 %rhs) {
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; CHECK-LABEL: test_128bitmul:
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; CHECK-DAG: umulh [[CARRY:x[0-9]+]], x0, x2
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; CHECK-DAG: madd [[PART1:x[0-9]+]], x0, x3, [[CARRY]]
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; CHECK: madd x1, x1, x2, [[PART1]]
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; CHECK: mul x0, x0, x2
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; CHECK-BE-LABEL: test_128bitmul:
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; CHECK-BE-DAG: umulh [[CARRY:x[0-9]+]], x1, x3
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; CHECK-BE-DAG: madd [[PART1:x[0-9]+]], x1, x2, [[CARRY]]
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; CHECK-BE: madd x0, x0, x3, [[PART1]]
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; CHECK-BE: mul x1, x1, x3
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%prod = mul i128 %lhs, %rhs
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ret i128 %prod
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}
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