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https://github.com/c64scene-ar/llvm-6502.git
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d3fd6d2b25
only disable it if we don't know it will be obviously profitable. Still fixme, but less so. :) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44658 91177308-0d34-0410-b5e6-96231b3b80d8
16 lines
567 B
LLVM
16 lines
567 B
LLVM
; RUN: llvm-as < %s | llc | not grep shrl
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target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
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target triple = "i686-apple-darwin8"
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@array = weak global [4 x i32] zeroinitializer ; <[4 x i32]*> [#uses=1]
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define i32 @foo(i32 %x) {
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entry:
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%tmp2 = lshr i32 %x, 2 ; <i32> [#uses=1]
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%tmp3 = and i32 %tmp2, 3 ; <i32> [#uses=1]
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%tmp4 = getelementptr [4 x i32]* @array, i32 0, i32 %tmp3 ; <i32*> [#uses=1]
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%tmp5 = load i32* %tmp4, align 4 ; <i32> [#uses=1]
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ret i32 %tmp5
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}
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