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llvm-mirror/test/Transforms/InstCombine/signed-comparison.ll
Dan Gohman 205b641954 Change tests from "opt %s" to "opt < %s" so that opt doesn't see the
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.

llvm-svn: 81537
2009-09-11 18:01:28 +00:00

29 lines
674 B
LLVM

; RUN: opt < %s -instcombine -S > %t
; RUN: not grep zext %t
; RUN: not grep slt %t
; RUN: grep {icmp ult} %t
; Instcombine should convert the zext+slt into a simple ult.
define void @foo(double* %p) nounwind {
entry:
br label %bb
bb:
%indvar = phi i64 [ 0, %entry ], [ %indvar.next, %bb ]
%t0 = and i64 %indvar, 65535
%t1 = getelementptr double* %p, i64 %t0
%t2 = load double* %t1, align 8
%t3 = fmul double %t2, 2.2
store double %t3, double* %t1, align 8
%i.04 = trunc i64 %indvar to i16
%t4 = add i16 %i.04, 1
%t5 = zext i16 %t4 to i32
%t6 = icmp slt i32 %t5, 500
%indvar.next = add i64 %indvar, 1
br i1 %t6, label %bb, label %return
return:
ret void
}