test/Transforms/InstCombine/x86-crc32-demanded.ll - Issue 7792066: [llvm] Conditionally include target intrinsics, based on --enable-target

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Side by Side Diff: test/Transforms/InstCombine/x86-crc32-demanded.ll

Issue 7792066: [llvm] Conditionally include target intrinsics, based on --enable-target Base URL: https://llvm.org/svn/llvm-project/llvm/trunk/

Patch Set: cleanups Created 9 years, 3 months ago

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1 ; RUN: opt < %s -instcombine -S \| FileCheck %s

2

3 ; crc32 with 64-bit destination zeros high 32-bit.

4 ; rdar://9467055

5

6 define i64 @test() nounwind {

7 entry:

8 ; CHECK: test

9 ; CHECK: tail call i64 @llvm.x86.sse42.crc32.64.64

10 ; CHECK-NOT: and

11 ; CHECK: ret

12 %0 = tail call i64 @llvm.x86.sse42.crc32.64.64(i64 0, i64 4) nounwind

13 %1 = and i64 %0, 4294967295

14 ret i64 %1

15 }

16

17 declare i64 @llvm.x86.sse42.crc32.64.64(i64, i64) nounwind readnone

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