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21 lines
487 B
LLVM
21 lines
487 B
LLVM
; RUN: llc < %s -march=x86 | FileCheck %s
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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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; CHECK: foo:
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; CHECK-NOT: ret
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; CHECK: movzbl %{{[abcd]h}},
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; CHECK-NOT: ret
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; CHECK: shll $3,
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; CHECK: ret
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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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