diff options
Diffstat (limited to 'test/CodeGen')
-rw-r--r-- | test/CodeGen/X86/h-registers-2.ll | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/test/CodeGen/X86/h-registers-2.ll b/test/CodeGen/X86/h-registers-2.ll new file mode 100644 index 0000000..12236a2 --- /dev/null +++ b/test/CodeGen/X86/h-registers-2.ll @@ -0,0 +1,15 @@ +; RUN: llvm-as < %s | llc -march=x86 > %t +; grep {movzbl %\[abcd\]h,} %t | count 1 +; grep {shll \$3,} | count 1 + +; Use an h register, but don't omit the explicit shift for +; non-address use(s). + +define i32 @foo(i8* %x, i32 %y) nounwind { + %t0 = lshr i32 %y, 8 ; <i32> [#uses=1] + %t1 = and i32 %t0, 255 ; <i32> [#uses=2] + %t2 = shl i32 %t1, 3 + %t3 = getelementptr i8* %x, i32 %t2 ; <i8*> [#uses=1] + store i8 77, i8* %t3, align 4 + ret i32 %t2 +} |