llvm-6502/test/Transforms/SCCP/apint-ipsccp1.ll
Reid Spencer c6b9efabee Add the SCCP regression tests for APInt expressions. These test cases
turned up some regressions that have since been fixed. We don't want to
loose the regression tests.

Test cases by Guoling Han.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35974 91177308-0d34-0410-b5e6-96231b3b80d8
2007-04-13 22:33:10 +00:00

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445 B
LLVM

; RUN: llvm-as < %s | opt -ipsccp | llvm-dis | grep -v 'ret i512 undef' | grep 'ret i8 2'
define internal i512 @test(i1 %B) {
br i1 %B, label %BB1, label %BB2
BB1:
%Val = add i512 0, 1
br label %BB3
BB2:
br label %BB3
BB3:
%Ret = phi i512 [%Val, %BB1], [2, %BB2]
ret i512 %Ret
}
define i8 @caller()
{
%t1 = and i2 2, 1
%t11 = trunc i2 %t1 to i1
%t2 = call i512 @test(i1 %t11)
%t3 = trunc i512 %t2 to i8
ret i8 %t3
}