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gerrit-public.fairphone.software / platform / external / llvm / 26b0000166ca3d00f2a1990b43a1f45cdac4e9b6 / . / test / CodeGen / ARM / sxt_rot.ll
blob: 355fee30723ff0271a7402d072009071d8957ad2 [file] [log] [blame]
Dan Gohmanfce288f2009-09-09 00:09:15 +0000[diff] [blame]1; RUN: llc < %s -march=arm -mattr=+v6 | \
Evan Chengd27c9fc2009-07-03 01:43:10 +0000[diff] [blame]2; RUN: grep sxtb | count 2
Dan Gohmanfce288f2009-09-09 00:09:15 +0000[diff] [blame]3; RUN: llc < %s -march=arm -mattr=+v6 | \
Evan Chengd27c9fc2009-07-03 01:43:10 +0000[diff] [blame]4; RUN: grep sxtb | grep ror | count 1
Dan Gohmanfce288f2009-09-09 00:09:15 +0000[diff] [blame]5; RUN: llc < %s -march=arm -mattr=+v6 | \
Dan Gohman28beeea2007-08-15 13:36:28 +0000[diff] [blame]6; RUN: grep sxtab | count 1
Evan Cheng02b985c2007-01-19 09:20:23 +0000[diff] [blame]7
Evan Chengd27c9fc2009-07-03 01:43:10 +0000[diff] [blame]8define i32 @test0(i8 %A) {
9 %B = sext i8 %A to i32
10 ret i32 %B
11}
12
Chris Lattner26b00002011-06-17 03:14:27 +0000[diff] [blame^]13define signext i8 @test1(i32 %A) {
Reid Spencer832254e2007-02-02 02:16:23 +0000[diff] [blame]14 %B = lshr i32 %A, 8
15 %C = shl i32 %A, 24
Evan Cheng02b985c2007-01-19 09:20:23 +0000[diff] [blame]16 %D = or i32 %B, %C
17 %E = trunc i32 %D to i8
18 ret i8 %E
19}
20
Chris Lattner26b00002011-06-17 03:14:27 +0000[diff] [blame^]21define signext i32 @test2(i32 %A, i32 %X) {
Reid Spencer832254e2007-02-02 02:16:23 +0000[diff] [blame]22 %B = lshr i32 %A, 8
23 %C = shl i32 %A, 24
Evan Cheng02b985c2007-01-19 09:20:23 +0000[diff] [blame]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}