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gerrit-public.fairphone.software / platform / external / llvm / 832254e1c2387c0cbeb0a820b8315fbe85cb003a / . / test / CodeGen / ARM / sxt_rot.ll
blob: f865ac131aee8ad002682867e1992e0ff59ff35a [file] [log] [blame]
Evan Cheng02b985c2007-01-19 09:20:23 +0000[diff] [blame]1; RUN: llvm-as < %s | llc -march=arm &&
2; RUN: llvm-as < %s | llc -march=arm -mattr=+v6 &&
3; RUN: llvm-as < %s | llc -march=arm -mattr=+v6 | grep "sxtb" | wc -l | grep 1 &&
4; RUN: llvm-as < %s | llc -march=arm -mattr=+v6 | grep "sxtab" | wc -l | grep 1
5
Reid Spencere3ff5ad2007-01-26 08:25:06 +0000[diff] [blame]6define i8 @test1(i32 %A) sext {
Reid Spencer832254e2007-02-02 02:16:23 +0000[diff] [blame^]7 %B = lshr i32 %A, 8
8 %C = shl i32 %A, 24
Evan Cheng02b985c2007-01-19 09:20:23 +0000[diff] [blame]9 %D = or i32 %B, %C
10 %E = trunc i32 %D to i8
11 ret i8 %E
12}
13
Reid Spencere3ff5ad2007-01-26 08:25:06 +0000[diff] [blame]14define i32 @test2(i32 %A, i32 %X) sext {
Reid Spencer832254e2007-02-02 02:16:23 +0000[diff] [blame^]15 %B = lshr i32 %A, 8
16 %C = shl i32 %A, 24
Evan Cheng02b985c2007-01-19 09:20:23 +0000[diff] [blame]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}