1 ; RUN: llc -mtriple=x86_64-- < %s | FileCheck %s
3 ; Codegen should be able to use a 32-bit shift instead of a 64-bit shift.
6 define fastcc void @test(i32 %level, i64 %a, i64 %b, i64 %c, i64 %d, ptr %p) nounwind {
7 if.end523: ; preds = %if.end453
8 %conv7981749 = zext i32 %level to i64 ; <i64> [#uses=1]
9 %and799 = shl i64 %conv7981749, 16 ; <i64> [#uses=1]
10 %shl800 = and i64 %and799, 16711680 ; <i64> [#uses=1]
11 %or801 = or i64 %shl800, %a ; <i64> [#uses=1]
12 %or806 = or i64 %or801, %b ; <i64> [#uses=1]
13 %or811 = or i64 %or806, %c ; <i64> [#uses=1]
14 %or819 = or i64 %or811, %d ; <i64> [#uses=1]
15 %conv820 = trunc i64 %or819 to i32 ; <i32> [#uses=1]
16 store i32 %conv820, ptr %p
22 declare void @bar(i64)
24 define fastcc void @foo(i32 %t) {
26 %tmp = add i32 %t, -1 ; <i32> [#uses=1]
30 %tmp2 = zext i32 %tmp to i64 ; <i64> [#uses=2]
31 %tmp3 = add i64 %tmp2, 1 ; <i64> [#uses=1]
32 %tmp4 = xor i64 %tmp2, 536870911 ; <i64> [#uses=1]
33 %tmp5 = and i64 %tmp3, %tmp4 ; <i64> [#uses=1]
34 %tmp6 = shl i64 %tmp5, 3 ; <i64> [#uses=1]
35 %tmp7 = sub i64 64, %tmp6 ; <i64> [#uses=1]
36 %tmp8 = and i64 %tmp7, 4294967288 ; <i64> [#uses=1]
37 %tmp9 = lshr i64 -1, %tmp8 ; <i64> [#uses=1]
38 call void @bar(i64 %tmp9)