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This feature is needed in order to support shifts of more than 255 bits on large integer types. This changes the syntax for llvm assembly to make shl, ashr and lshr instructions look like a binary operator: shl i32 %X, 1 instead of shl i32 %X, i8 1 Additionally, this should help a few passes perform additional optimizations. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33776 91177308-0d34-0410-b5e6-96231b3b80d8
17 lines
359 B
LLVM
17 lines
359 B
LLVM
; RUN: llvm-as %s -o - | llvm-dis > %t1.ll
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; RUN: llvm-as %t1.ll -o - | llvm-dis > %t2.ll
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; RUN: diff %t1.ll %t2.ll
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implementation
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define i31 @"simpleAdd"(i31 %i0, i31 %j0)
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begin
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%t1 = xor i31 %i0, %j0
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%t2 = or i31 %i0, %j0
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%t3 = and i31 %t1, %t2
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%t4 = shl i31 %i0, 2
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%t5 = ashr i31 %i0, 2
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%t6 = lshr i31 %j0, 22
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ret i31 %t3
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end
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