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| author | Roman Divacky <rdivacky@freebsd.org> | 2011-06-20 15:28:39 +0000 |
|---|---|---|
| committer | Roman Divacky <rdivacky@freebsd.org> | 2011-06-20 15:28:39 +0000 |
| commit | 8e9d6720c3b62ad45bb97d43b47867a3097b433a (patch) | |
| tree | 02ae6c882f3bfd3acfed4832d69081996a224d49 /test/CodeGen/PowerPC | |
| parent | 5e27a1d468e27253d6a19bdc99b445eaf8f86a6e (diff) | |
| download | external_llvm-8e9d6720c3b62ad45bb97d43b47867a3097b433a.zip external_llvm-8e9d6720c3b62ad45bb97d43b47867a3097b433a.tar.gz external_llvm-8e9d6720c3b62ad45bb97d43b47867a3097b433a.tar.bz2 | |
Don't apply on PPC64 the 32bit ADDIC optimizations as there's no overflow
with 32bit values.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133439 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/PowerPC')
| -rw-r--r-- | test/CodeGen/PowerPC/ppc64-32bit-addic.ll | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/test/CodeGen/PowerPC/ppc64-32bit-addic.ll b/test/CodeGen/PowerPC/ppc64-32bit-addic.ll new file mode 100644 index 0000000..4d323da --- /dev/null +++ b/test/CodeGen/PowerPC/ppc64-32bit-addic.ll @@ -0,0 +1,29 @@ +; Check that the ADDIC optimizations are not applied on PPC64 +; RUN: llc < %s | FileCheck %s +; ModuleID = 'os_unix.c' +target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v128:128:128-n32:64" +target triple = "powerpc64-unknown-freebsd9.0" + +define i32 @notZero(i32 %call) nounwind { +entry: +; CHECK-NOT: addic + %not.tobool = icmp ne i32 %call, 0 + %. = zext i1 %not.tobool to i32 + ret i32 %. +} + +define i32 @isMinusOne(i32 %call) nounwind { +entry: +; CHECK-NOT: addic + %not.tobool = icmp eq i32 %call, -1 + %. = zext i1 %not.tobool to i32 + ret i32 %. +} + +define i32 @isNotMinusOne(i32 %call) nounwind { +entry: +; CHECK-NOT: addic + %not.tobool = icmp ne i32 %call, -1 + %. = zext i1 %not.tobool to i32 + ret i32 %. +} |