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gerrit-public.fairphone.software / platform / external / llvm / d901b6640e0f1d1757a2db9fb57a140ad828ea75 / . / test / CodeGen / ARM / sxt_rot.ll
blob: bfecce8bde227fe478f479222ffcb7b8a5ede3ae [file] [log] [blame]
Dan Gohmanf17a25c2007-07-18 16:29:46 +0000[diff] [blame]1; RUN: llvm-as < %s | llc -march=arm -mattr=+v6 | \
Dan Gohman8c89a502007-08-15 13:36:28 +0000[diff] [blame]2; RUN: grep sxtb | count 1
Dan Gohmanf17a25c2007-07-18 16:29:46 +0000[diff] [blame]3; RUN: llvm-as < %s | llc -march=arm -mattr=+v6 | \
Dan Gohman8c89a502007-08-15 13:36:28 +0000[diff] [blame]4; RUN: grep sxtab | count 1
Dan Gohmanf17a25c2007-07-18 16:29:46 +0000[diff] [blame]5
Reid Spencerf234bed2007-07-19 23:13:04 +0000[diff] [blame]6define i8 @test1(i32 %A) signext {
Dan Gohmanf17a25c2007-07-18 16:29:46 +0000[diff] [blame]7 %B = lshr i32 %A, 8
8 %C = shl i32 %A, 24
9 %D = or i32 %B, %C
10 %E = trunc i32 %D to i8
11 ret i8 %E
12}
13
Reid Spencerf234bed2007-07-19 23:13:04 +0000[diff] [blame]14define i32 @test2(i32 %A, i32 %X) signext {
Dan Gohmanf17a25c2007-07-18 16:29:46 +0000[diff] [blame]15 %B = lshr i32 %A, 8
16 %C = shl i32 %A, 24
17 %D = or i32 %B, %C
18 %E = trunc i32 %D to i8
19 %F = sext i8 %E to i32
20 %G = add i32 %F, %X
21 ret i32 %G
22}