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https://github.com/c64scene-ar/llvm-6502.git
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d336de318e
(movzx/movsx) because they give more information. Revert that part of the patch. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129498 91177308-0d34-0410-b5e6-96231b3b80d8
16 lines
456 B
LLVM
16 lines
456 B
LLVM
; RUN: llc < %s -march=x86 > %t
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; RUN: grep {movzbl %\[abcd\]h,} %t | count 1
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; RUN: grep {shll \$3,} %t | count 1
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; Use an h register, but don't omit the explicit shift for
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; non-address use(s).
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define i32 @foo(i8* %x, i32 %y) nounwind {
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%t0 = lshr i32 %y, 8 ; <i32> [#uses=1]
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%t1 = and i32 %t0, 255 ; <i32> [#uses=2]
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%t2 = shl i32 %t1, 3
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%t3 = getelementptr i8* %x, i32 %t2 ; <i8*> [#uses=1]
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store i8 77, i8* %t3, align 4
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ret i32 %t2
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}
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