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| author | Dan Gohman <gohman@apple.com> | 2009-04-14 22:45:05 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2009-04-14 22:45:05 +0000 |
| commit | 62ad138d7033e207842337c9fb909f70e32b14ea (patch) | |
| tree | 29511f1919493bb21b19cc885ae8b78054c6a104 /test | |
| parent | 00f16283cf12c53c2626d21fb534f9422500f0f1 (diff) | |
| download | llvm-62ad138d7033e207842337c9fb909f70e32b14ea.tar.gz llvm-62ad138d7033e207842337c9fb909f70e32b14ea.tar.bz2 llvm-62ad138d7033e207842337c9fb909f70e32b14ea.tar.xz | |
For the h-register addressing-mode trick, use the correct value for
any non-address uses of the address value. This fixes 186.crafty.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69094 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -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 0000000000..12236a2554 --- /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 +} |