blob: 24017fe2178aaa9e8a0b27e7a90d1a1b69b5725f [file] [log] [blame]
Tanya Lattner632e88a2008-02-21 07:42:26 +00001; RUN: llvm-as < %s | llc -march=x86 -x86-asm-syntax=intel | \
Dan Gohman8c89a502007-08-15 13:36:28 +00002; RUN: grep {sh\[lr\]d} | count 5
Dan Gohmanf17a25c2007-07-18 16:29:46 +00003
Tanya Lattner632e88a2008-02-21 07:42:26 +00004define i64 @test1(i64 %X, i8 %C) {
5 %shift.upgrd.1 = zext i8 %C to i64 ; <i64> [#uses=1]
6 %Y = shl i64 %X, %shift.upgrd.1 ; <i64> [#uses=1]
7 ret i64 %Y
Dan Gohmanf17a25c2007-07-18 16:29:46 +00008}
9
Tanya Lattner632e88a2008-02-21 07:42:26 +000010define i64 @test2(i64 %X, i8 %C) {
11 %shift.upgrd.2 = zext i8 %C to i64 ; <i64> [#uses=1]
12 %Y = ashr i64 %X, %shift.upgrd.2 ; <i64> [#uses=1]
13 ret i64 %Y
Dan Gohmanf17a25c2007-07-18 16:29:46 +000014}
15
Tanya Lattner632e88a2008-02-21 07:42:26 +000016define i64 @test3(i64 %X, i8 %C) {
17 %shift.upgrd.3 = zext i8 %C to i64 ; <i64> [#uses=1]
18 %Y = lshr i64 %X, %shift.upgrd.3 ; <i64> [#uses=1]
19 ret i64 %Y
Dan Gohmanf17a25c2007-07-18 16:29:46 +000020}
Tanya Lattner632e88a2008-02-21 07:42:26 +000021
22define i32 @test4(i32 %A, i32 %B, i8 %C) {
23 %shift.upgrd.4 = zext i8 %C to i32 ; <i32> [#uses=1]
24 %X = shl i32 %A, %shift.upgrd.4 ; <i32> [#uses=1]
25 %Cv = sub i8 32, %C ; <i8> [#uses=1]
26 %shift.upgrd.5 = zext i8 %Cv to i32 ; <i32> [#uses=1]
27 %Y = lshr i32 %B, %shift.upgrd.5 ; <i32> [#uses=1]
28 %Z = or i32 %Y, %X ; <i32> [#uses=1]
29 ret i32 %Z
30}
31
32define i16 @test5(i16 %A, i16 %B, i8 %C) {
33 %shift.upgrd.6 = zext i8 %C to i16 ; <i16> [#uses=1]
34 %X = shl i16 %A, %shift.upgrd.6 ; <i16> [#uses=1]
35 %Cv = sub i8 16, %C ; <i8> [#uses=1]
36 %shift.upgrd.7 = zext i8 %Cv to i16 ; <i16> [#uses=1]
37 %Y = lshr i16 %B, %shift.upgrd.7 ; <i16> [#uses=1]
38 %Z = or i16 %Y, %X ; <i16> [#uses=1]
39 ret i16 %Z
40}
41