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Diffstat (limited to 'test/Transforms/InstCombine/logical-select.ll')
-rw-r--r-- | test/Transforms/InstCombine/logical-select.ll | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/logical-select.ll b/test/Transforms/InstCombine/logical-select.ll new file mode 100644 index 0000000000000..3bb2d348b3837 --- /dev/null +++ b/test/Transforms/InstCombine/logical-select.ll @@ -0,0 +1,54 @@ +; RUN: llvm-as < %s | opt -instcombine | llvm-dis > %t +; RUN: grep select %t | count 5 +; RUN: not grep and %t +; RUN: not grep or %t + +define i32 @foo(i32 %a, i32 %b, i32 %c, i32 %d) nounwind { + %e = icmp slt i32 %a, %b + %f = sext i1 %e to i32 + %g = and i32 %c, %f + %h = xor i32 %f, -1 + %i = and i32 %d, %h + %j = or i32 %g, %i + ret i32 %j +} +define i32 @bar(i32 %a, i32 %b, i32 %c, i32 %d) nounwind { + %e = icmp slt i32 %a, %b + %f = sext i1 %e to i32 + %g = and i32 %c, %f + %h = xor i32 %f, -1 + %i = and i32 %d, %h + %j = or i32 %i, %g + ret i32 %j +} +define i32 @goo(i32 %a, i32 %b, i32 %c, i32 %d) nounwind { +entry: + %0 = icmp slt i32 %a, %b + %iftmp.0.0 = select i1 %0, i32 -1, i32 0 + %1 = and i32 %iftmp.0.0, %c + %not = xor i32 %iftmp.0.0, -1 + %2 = and i32 %not, %d + %3 = or i32 %1, %2 + ret i32 %3 +} +define i32 @poo(i32 %a, i32 %b, i32 %c, i32 %d) nounwind { +entry: + %0 = icmp slt i32 %a, %b + %iftmp.0.0 = select i1 %0, i32 -1, i32 0 + %1 = and i32 %iftmp.0.0, %c + %iftmp = select i1 %0, i32 0, i32 -1 + %2 = and i32 %iftmp, %d + %3 = or i32 %1, %2 + ret i32 %3 +} + +define i32 @par(i32 %a, i32 %b, i32 %c, i32 %d) nounwind { +entry: + %0 = icmp slt i32 %a, %b + %iftmp.1.0 = select i1 %0, i32 -1, i32 0 + %1 = and i32 %iftmp.1.0, %c + %not = xor i32 %iftmp.1.0, -1 + %2 = and i32 %not, %d + %3 = or i32 %1, %2 + ret i32 %3 +} |