mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-31 16:02:52 +01:00
30 lines
639 B
LLVM
30 lines
639 B
LLVM
; RUN: llc < %s -march=arm -mattr=+v6 | \
|
|
; RUN: grep sxtb | count 2
|
|
; RUN: llc < %s -march=arm -mattr=+v6 | \
|
|
; RUN: grep sxtb | grep ror | count 1
|
|
; RUN: llc < %s -march=arm -mattr=+v6 | \
|
|
; RUN: grep sxtab | count 1
|
|
|
|
define i32 @test0(i8 %A) {
|
|
%B = sext i8 %A to i32
|
|
ret i32 %B
|
|
}
|
|
|
|
define signext i8 @test1(i32 %A) {
|
|
%B = lshr i32 %A, 8
|
|
%C = shl i32 %A, 24
|
|
%D = or i32 %B, %C
|
|
%E = trunc i32 %D to i8
|
|
ret i8 %E
|
|
}
|
|
|
|
define signext i32 @test2(i32 %A, i32 %X) {
|
|
%B = lshr i32 %A, 8
|
|
%C = shl i32 %A, 24
|
|
%D = or i32 %B, %C
|
|
%E = trunc i32 %D to i8
|
|
%F = sext i8 %E to i32
|
|
%G = add i32 %F, %X
|
|
ret i32 %G
|
|
}
|