1 ; RUN: opt < %s -instcombine -S | not grep sext
3 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
5 declare i32 @llvm.ctpop.i32(i32)
6 declare i32 @llvm.ctlz.i32(i32)
7 declare i32 @llvm.cttz.i32(i32)
9 define i64 @foo(i32 %x) {
10 %t = call i32 @llvm.ctpop.i32(i32 %x)
11 %s = sext i32 %t to i64
14 define i64 @boo(i32 %x) {
15 %t = call i32 @llvm.ctlz.i32(i32 %x)
16 %s = sext i32 %t to i64
19 define i64 @zoo(i32 %x) {
20 %t = call i32 @llvm.cttz.i32(i32 %x)
21 %s = sext i32 %t to i64
24 define i64 @coo(i32 %x) {
26 %s = sext i32 %t to i64
29 define i64 @moo(i32 %x) {
30 %t = urem i32 %x, 30000
31 %s = sext i32 %t to i64
34 define i64 @yoo(i32 %x) {
37 %s = sext i32 %t to i64
40 define i64 @voo(i32 %x) {
42 %u = sub i32 20000, %t
43 %s = sext i32 %u to i64
46 define i32 @woo(i8 %a, i32 %f, i1 %p, i32* %z) {
48 %e = select i1 %p, i32 %d, i32 0
49 %s = trunc i32 %e to i16
50 %n = sext i16 %s to i32
55 define i16 @test(i16 %t, i1 %cond) nounwind {
57 br i1 %cond, label %T, label %F
59 %t2 = sext i16 %t to i32
63 %V = phi i32 [%t2, %T], [42, %entry]
64 %W = trunc i32 %V to i16
69 define i32 @test2(i32 %i) nounwind {
71 %tmp12 = trunc i32 %i to i8 ; <i8> [#uses=1]
72 %tmp16 = shl i8 %tmp12, 6 ; <i8> [#uses=1]
73 %a = ashr i8 %tmp16, 6 ; <i8> [#uses=1]
74 %b = sext i8 %a to i32 ; <i32> [#uses=1]