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Diffstat (limited to 'test/CodeGen/X86/anyext.ll')
-rw-r--r-- | test/CodeGen/X86/anyext.ll | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/test/CodeGen/X86/anyext.ll b/test/CodeGen/X86/anyext.ll new file mode 100644 index 0000000000..c5f03abee7 --- /dev/null +++ b/test/CodeGen/X86/anyext.ll @@ -0,0 +1,18 @@ +; RUN: llvm-as < %s | llc -march=x86-64 | grep movzbl | count 2 + +; Use movzbl to avoid partial-register updates. + +define i32 @foo(i32 %p, i8 zeroext %x) nounwind { + %q = trunc i32 %p to i8 + %r = udiv i8 %q, %x + %s = zext i8 %r to i32 + %t = and i32 %s, 1 + ret i32 %t +} +define i32 @bar(i32 %p, i16 zeroext %x) nounwind { + %q = trunc i32 %p to i16 + %r = udiv i16 %q, %x + %s = zext i16 %r to i32 + %t = and i32 %s, 1 + ret i32 %t +} |