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https://github.com/c64scene-ar/llvm-6502.git
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f2f6ce65b7
input filename so that opt doesn't print the input filename in the output so that grep lines in the tests don't unintentionally match strings in the input filename. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81537 91177308-0d34-0410-b5e6-96231b3b80d8
29 lines
674 B
LLVM
29 lines
674 B
LLVM
; RUN: opt < %s -instcombine -S > %t
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; RUN: not grep zext %t
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; RUN: not grep slt %t
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; RUN: grep {icmp ult} %t
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; Instcombine should convert the zext+slt into a simple ult.
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define void @foo(double* %p) nounwind {
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entry:
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br label %bb
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bb:
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%indvar = phi i64 [ 0, %entry ], [ %indvar.next, %bb ]
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%t0 = and i64 %indvar, 65535
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%t1 = getelementptr double* %p, i64 %t0
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%t2 = load double* %t1, align 8
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%t3 = fmul double %t2, 2.2
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store double %t3, double* %t1, align 8
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%i.04 = trunc i64 %indvar to i16
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%t4 = add i16 %i.04, 1
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%t5 = zext i16 %t4 to i32
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%t6 = icmp slt i32 %t5, 500
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%indvar.next = add i64 %indvar, 1
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br i1 %t6, label %bb, label %return
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return:
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ret void
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}
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