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gerrit-public.fairphone.software / platform / external / llvm / 901b5750b2af095bb0e359f4d2c3debef3ad57e6 / . / test / CodeGen / ARM / sxt_rot.ll
blob: 4752f17f1e1c38ad46eb05eae4bb95cde7a19d7f [file] [log] [blame]
Dan Gohmanda594cf2009-09-09 00:09:15 +0000[diff] [blame]1; RUN: llc < %s -march=arm -mattr=+v6 | \
Evan Cheng0f994ed2009-07-03 01:43:10 +0000[diff] [blame]2; RUN: grep sxtb | count 2
Dan Gohmanda594cf2009-09-09 00:09:15 +0000[diff] [blame]3; RUN: llc < %s -march=arm -mattr=+v6 | \
Evan Cheng0f994ed2009-07-03 01:43:10 +0000[diff] [blame]4; RUN: grep sxtb | grep ror | count 1
Dan Gohmanda594cf2009-09-09 00:09:15 +0000[diff] [blame]5; RUN: llc < %s -march=arm -mattr=+v6 | \
Dan Gohman8c89a502007-08-15 13:36:28 +0000[diff] [blame]6; RUN: grep sxtab | count 1
Dan Gohmanf17a25c2007-07-18 16:29:46 +0000[diff] [blame]7
Evan Cheng0f994ed2009-07-03 01:43:10 +0000[diff] [blame]8define i32 @test0(i8 %A) {
9 %B = sext i8 %A to i32
10 ret i32 %B
11}
12
Reid Spencerf234bed2007-07-19 23:13:04 +0000[diff] [blame]13define i8 @test1(i32 %A) signext {
Dan Gohmanf17a25c2007-07-18 16:29:46 +0000[diff] [blame]14 %B = lshr i32 %A, 8
15 %C = shl i32 %A, 24
16 %D = or i32 %B, %C
17 %E = trunc i32 %D to i8
18 ret i8 %E
19}
20
Reid Spencerf234bed2007-07-19 23:13:04 +0000[diff] [blame]21define i32 @test2(i32 %A, i32 %X) signext {
Dan Gohmanf17a25c2007-07-18 16:29:46 +0000[diff] [blame]22 %B = lshr i32 %A, 8
23 %C = shl i32 %A, 24
24 %D = or i32 %B, %C
25 %E = trunc i32 %D to i8
26 %F = sext i8 %E to i32
27 %G = add i32 %F, %X
28 ret i32 %G
29}