diff options
Diffstat (limited to 'test/CodeGen/X86/zext-inreg-0.ll')
-rw-r--r-- | test/CodeGen/X86/zext-inreg-0.ll | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/test/CodeGen/X86/zext-inreg-0.ll b/test/CodeGen/X86/zext-inreg-0.ll new file mode 100644 index 0000000..a4ffd67 --- /dev/null +++ b/test/CodeGen/X86/zext-inreg-0.ll @@ -0,0 +1,62 @@ +; RUN: llvm-as < %s | llc -march=x86 | not grep and +; RUN: llvm-as < %s | llc -march=x86-64 | not grep and + +; These should use movzbl instead of 'and 255'. +; This related to not having a ZERO_EXTEND_REG opcode. + +define i32 @a(i32 %d) nounwind { + %e = add i32 %d, 1 + %retval = and i32 %e, 255 + ret i32 %retval +} +define i32 @b(float %d) nounwind { + %tmp12 = fptoui float %d to i8 + %retval = zext i8 %tmp12 to i32 + ret i32 %retval +} +define i32 @c(i32 %d) nounwind { + %e = add i32 %d, 1 + %retval = and i32 %e, 65535 + ret i32 %retval +} +define i64 @d(i64 %d) nounwind { + %e = add i64 %d, 1 + %retval = and i64 %e, 255 + ret i64 %retval +} +define i64 @e(i64 %d) nounwind { + %e = add i64 %d, 1 + %retval = and i64 %e, 65535 + ret i64 %retval +} +define i64 @f(i64 %d) nounwind { + %e = add i64 %d, 1 + %retval = and i64 %e, 4294967295 + ret i64 %retval +} + +define i32 @g(i8 %d) nounwind { + %e = add i8 %d, 1 + %retval = zext i8 %e to i32 + ret i32 %retval +} +define i32 @h(i16 %d) nounwind { + %e = add i16 %d, 1 + %retval = zext i16 %e to i32 + ret i32 %retval +} +define i64 @i(i8 %d) nounwind { + %e = add i8 %d, 1 + %retval = zext i8 %e to i64 + ret i64 %retval +} +define i64 @j(i16 %d) nounwind { + %e = add i16 %d, 1 + %retval = zext i16 %e to i64 + ret i64 %retval +} +define i64 @k(i32 %d) nounwind { + %e = add i32 %d, 1 + %retval = zext i32 %e to i64 + ret i64 %retval +} |