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author | Dimitry Andric <dim@FreeBSD.org> | 2011-05-02 19:34:44 +0000 |
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committer | Dimitry Andric <dim@FreeBSD.org> | 2011-05-02 19:34:44 +0000 |
commit | 6b943ff3a3f8617113ecbf611cf0f8957e4e19d2 (patch) | |
tree | fc5f365fb9035b2d0c622bbf06c9bbe8627d7279 /test/CodeGen/X86/adde-carry.ll | |
parent | d0e4e96dc17a6c1c6de3340842c80f0e187ba349 (diff) | |
download | src-test2-6b943ff3a3f8617113ecbf611cf0f8957e4e19d2.tar.gz src-test2-6b943ff3a3f8617113ecbf611cf0f8957e4e19d2.zip |
Notes
Diffstat (limited to 'test/CodeGen/X86/adde-carry.ll')
-rw-r--r-- | test/CodeGen/X86/adde-carry.ll | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/test/CodeGen/X86/adde-carry.ll b/test/CodeGen/X86/adde-carry.ll new file mode 100644 index 000000000000..98c4f9934318 --- /dev/null +++ b/test/CodeGen/X86/adde-carry.ll @@ -0,0 +1,26 @@ +; RUN: llc -march=x86-64 < %s | FileCheck %s -check-prefix=CHECK-64 +; RUN: llc -march=x86 < %s | FileCheck %s -check-prefix=CHECK-32 + +define void @a(i64* nocapture %s, i64* nocapture %t, i64 %a, i64 %b, i64 %c) nounwind { +entry: + %0 = zext i64 %a to i128 + %1 = zext i64 %b to i128 + %2 = add i128 %1, %0 + %3 = zext i64 %c to i128 + %4 = shl i128 %3, 64 + %5 = add i128 %4, %2 + %6 = lshr i128 %5, 64 + %7 = trunc i128 %6 to i64 + store i64 %7, i64* %s, align 8 + %8 = trunc i128 %2 to i64 + store i64 %8, i64* %t, align 8 + ret void + +; CHECK-32: addl +; CHECK-32: adcl +; CHECK-32: adcl $0 +; CHECK-32: adcl $0 + +; CHECK-64: addq +; CHECK-64: adcq $0 +} |