blob: e5120473a2fc6c85e553557245a242357a66607a [file] [log] [blame]
Dan Gohmanf17a25c2007-07-18 16:29:46 +00001; RUN: llvm-as < %s | llc -march=ppc32 | not grep {extsh\\|rlwinm}
2
3declare i16 @foo() sext
4
5define i32 @test1(i16 sext %X) {
6 %Y = sext i16 %X to i32 ;; dead
7 ret i32 %Y
8}
9
10define i32 @test2(i16 zext %X) {
11 %Y = sext i16 %X to i32
12 %Z = and i32 %Y, 65535 ;; dead
13 ret i32 %Z
14}
15
16define void @test3() {
17 %tmp.0 = call i16 @foo() sext ;; no extsh!
18 %tmp.1 = icmp slt i16 %tmp.0, 1234
19 br i1 %tmp.1, label %then, label %UnifiedReturnBlock
20
21then:
22 call i32 @test1(i16 0 sext)
23 ret void
24UnifiedReturnBlock:
25 ret void
26}
27
28define i32 @test4(i16* %P) {
29 %tmp.1 = load i16* %P
30 %tmp.2 = zext i16 %tmp.1 to i32
31 %tmp.3 = and i32 %tmp.2, 255
32 ret i32 %tmp.3
33}
34
35define i32 @test5(i16* %P) {
36 %tmp.1 = load i16* %P
37 %tmp.2 = bitcast i16 %tmp.1 to i16
38 %tmp.3 = zext i16 %tmp.2 to i32
39 %tmp.4 = and i32 %tmp.3, 255
40 ret i32 %tmp.4
41}
42
43define i32 @test6(i32* %P) {
44 %tmp.1 = load i32* %P
45 %tmp.2 = and i32 %tmp.1, 255
46 ret i32 %tmp.2
47}
48
49define i16 @test7(float %a) zext {
50 %tmp.1 = fptoui float %a to i16
51 ret i16 %tmp.1
52}