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Reid Spencerea8b07e2007-03-23 20:48:34 +00001; Tests to make sure elimination of casts is working correctly
2; This test is for Integer BitWidth <= 64 && BitWidth % 2 != 0.
Edward O'Callaghancbf75a52009-10-12 07:18:14 +00003; RUN: opt < %s -instcombine -S | FileCheck %s
Reid Spencerea8b07e2007-03-23 20:48:34 +00004
5define i47 @test_sext_zext(i11 %A) {
6 %c1 = zext i11 %A to i39
7 %c2 = sext i39 %c1 to i47
8 ret i47 %c2
Edward O'Callaghancbf75a52009-10-12 07:18:14 +00009; CHECK: %c2 = zext i11 %A to i47
10; CHECK: ret i47 %c2
Reid Spencerea8b07e2007-03-23 20:48:34 +000011}