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| author | Tom Stellard <thomas.stellard@amd.com> | 2014-04-09 00:20:52 +0000 |
|---|---|---|
| committer | Tom Stellard <thomas.stellard@amd.com> | 2014-04-09 00:20:52 +0000 |
| commit | c69aaa1a2ca8dd581aec9aa326ddfd57d4827294 (patch) | |
| tree | 5546bb399feffc66d329522b723c015e74f141c1 /test/CodeGen/PowerPC/ctrloop-udivti3.ll | |
| parent | 4b87fb1a4beb773630b0e47a1f2885d935afef29 (diff) | |
| download | llvm-c69aaa1a2ca8dd581aec9aa326ddfd57d4827294.tar.gz llvm-c69aaa1a2ca8dd581aec9aa326ddfd57d4827294.tar.bz2 llvm-c69aaa1a2ca8dd581aec9aa326ddfd57d4827294.tar.xz | |
Merging r202192:
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r202192 | hfinkel | 2014-02-25 15:51:50 -0500 (Tue, 25 Feb 2014) | 5 lines
Account for 128-bit integer operations in PPCCTRLoops
We need to abort the formation of counter-register-based loops where there are
128-bit integer operations that might become function calls.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@205822 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/PowerPC/ctrloop-udivti3.ll')
| -rw-r--r-- | test/CodeGen/PowerPC/ctrloop-udivti3.ll | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/test/CodeGen/PowerPC/ctrloop-udivti3.ll b/test/CodeGen/PowerPC/ctrloop-udivti3.ll new file mode 100644 index 0000000000..d07a11fe60 --- /dev/null +++ b/test/CodeGen/PowerPC/ctrloop-udivti3.ll @@ -0,0 +1,31 @@ +; RUN: llc < %s -march=ppc64 | FileCheck %s +target datalayout = "E-m:e-i64:64-n32:64" +target triple = "powerpc64-unknown-linux-gnu" + +; Function Attrs: nounwind +define hidden void @_mpd_shortdiv(i64 %n) #0 { +entry: + br i1 undef, label %for.end, label %for.body.lr.ph + +for.body.lr.ph: ; preds = %entry + br label %for.body + +for.body: ; preds = %for.body, %for.body.lr.ph + %i.018.in = phi i64 [ %n, %for.body.lr.ph ], [ %i.018, %for.body ] + %i.018 = add i64 %i.018.in, -1 + %add.i = or i128 undef, undef + %div.i = udiv i128 %add.i, 0 + %conv3.i11 = trunc i128 %div.i to i64 + store i64 %conv3.i11, i64* undef, align 8 + %cmp = icmp eq i64 %i.018, 0 + br i1 %cmp, label %for.end, label %for.body + +for.end: ; preds = %for.body, %entry + ret void +} + +; CHECK-LABEL: @_mpd_shortdiv +; CHECK-NOT: mtctr + +attributes #0 = { nounwind } + |