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https://github.com/c64scene-ar/llvm-6502.git
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c7645e860a
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199604 91177308-0d34-0410-b5e6-96231b3b80d8
36 lines
779 B
LLVM
36 lines
779 B
LLVM
; RUN: opt < %s -instcombine -S | FileCheck %s
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;CHECK: @and_consts
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;CHECK: and i32 %k, 12
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;CHECK: icmp ne i32 %0, 12
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;CHECK: ret
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define i1 @and_consts(i32 %k, i32 %c1, i32 %c2) {
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bb:
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%tmp1 = and i32 4, %k
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%tmp2 = icmp eq i32 %tmp1, 0
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%tmp5 = and i32 8, %k
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%tmp6 = icmp eq i32 %tmp5, 0
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%or = or i1 %tmp2, %tmp6
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ret i1 %or
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}
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;CHECK: @foo1_and
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;CHECK: shl i32 1, %c1
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;CHECK-NEXT: lshr i32 -2147483648, %c2
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;CHECK-NEXT: or i32
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;CHECK-NEXT: and i32
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;CHECK-NEXT: icmp ne i32 %1, %0
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;CHECK: ret
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define i1 @foo1_and(i32 %k, i32 %c1, i32 %c2) {
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bb:
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%tmp = shl i32 1, %c1
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%tmp4 = lshr i32 -2147483648, %c2
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%tmp1 = and i32 %tmp, %k
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%tmp2 = icmp eq i32 %tmp1, 0
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%tmp5 = and i32 %tmp4, %k
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%tmp6 = icmp eq i32 %tmp5, 0
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%or = or i1 %tmp2, %tmp6
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ret i1 %or
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}
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