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| author | Arnold Schwaighofer <arnolds@codeaurora.org> | 2012-09-04 14:37:49 +0000 |
|---|---|---|
| committer | Arnold Schwaighofer <arnolds@codeaurora.org> | 2012-09-04 14:37:49 +0000 |
| commit | 67514e90669ec9ffd954c1fcb6f8979bafcabe8a (patch) | |
| tree | 34dbeb6df5e043c06970e95114977ba14687393b /test/CodeGen/Thumb2 | |
| parent | 32510207382720a97c682e098d45cb1371c48639 (diff) | |
| download | llvm-67514e90669ec9ffd954c1fcb6f8979bafcabe8a.tar.gz llvm-67514e90669ec9ffd954c1fcb6f8979bafcabe8a.tar.bz2 llvm-67514e90669ec9ffd954c1fcb6f8979bafcabe8a.tar.xz | |
Patch to implement UMLAL/SMLAL instructions for the ARM architecture
This patch corrects the definition of umlal/smlal instructions and adds support
for matching them to the ARM dag combiner.
Bug 12213
Patch by Yin Ma!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163136 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/Thumb2')
| -rw-r--r-- | test/CodeGen/Thumb2/longMACt.ll | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/test/CodeGen/Thumb2/longMACt.ll b/test/CodeGen/Thumb2/longMACt.ll new file mode 100644 index 0000000000..beefd6044c --- /dev/null +++ b/test/CodeGen/Thumb2/longMACt.ll @@ -0,0 +1,44 @@ +; RUN: llc < %s -march=thumb -mattr=+thumb2 | FileCheck %s +; Check generated signed and unsigned multiply accumulate long. + +define i64 @MACLongTest1(i32 %a, i32 %b, i64 %c) { +;CHECK: MACLongTest1: +;CHECK: umlal + %conv = zext i32 %a to i64 + %conv1 = zext i32 %b to i64 + %mul = mul i64 %conv1, %conv + %add = add i64 %mul, %c + ret i64 %add +} + +define i64 @MACLongTest2(i32 %a, i32 %b, i64 %c) { +;CHECK: MACLongTest2: +;CHECK: smlal + %conv = sext i32 %a to i64 + %conv1 = sext i32 %b to i64 + %mul = mul nsw i64 %conv1, %conv + %add = add nsw i64 %mul, %c + ret i64 %add +} + +define i64 @MACLongTest3(i32 %a, i32 %b, i32 %c) { +;CHECK: MACLongTest3: +;CHECK: umlal + %conv = zext i32 %b to i64 + %conv1 = zext i32 %a to i64 + %mul = mul i64 %conv, %conv1 + %conv2 = zext i32 %c to i64 + %add = add i64 %mul, %conv2 + ret i64 %add +} + +define i64 @MACLongTest4(i32 %a, i32 %b, i32 %c) { +;CHECK: MACLongTest4: +;CHECK: smlal + %conv = sext i32 %b to i64 + %conv1 = sext i32 %a to i64 + %mul = mul nsw i64 %conv, %conv1 + %conv2 = sext i32 %c to i64 + %add = add nsw i64 %mul, %conv2 + ret i64 %add +} |