xref: /aosp_15_r20/external/llvm/test/CodeGen/PowerPC/2008-07-15-SignExtendInreg.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s
2*9880d681SAndroid Build Coastguard Workertarget datalayout = "E-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f128:64:128"
3*9880d681SAndroid Build Coastguard Workertarget triple = "powerpc-apple-darwin9"
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Workerdefine signext i16 @t(i16* %dct)  nounwind  {
6*9880d681SAndroid Build Coastguard Workerentry:
7*9880d681SAndroid Build Coastguard Worker         load i16, i16* null, align 2         ; <i16>:0 [#uses=2]
8*9880d681SAndroid Build Coastguard Worker         lshr i16 %0, 11         ; <i16>:1 [#uses=0]
9*9880d681SAndroid Build Coastguard Worker         trunc i16 %0 to i8              ; <i8>:2 [#uses=1]
10*9880d681SAndroid Build Coastguard Worker         sext i8 %2 to i16               ; <i16>:3 [#uses=1]
11*9880d681SAndroid Build Coastguard Worker         add i16 0, %3           ; <i16>:4 [#uses=1]
12*9880d681SAndroid Build Coastguard Worker         sext i16 %4 to i32              ; <i32>:5 [#uses=1]
13*9880d681SAndroid Build Coastguard Worker         %dcval.0.in = shl i32 %5, 0             ; <i32> [#uses=1]
14*9880d681SAndroid Build Coastguard Worker         %dcval.0 = trunc i32 %dcval.0.in to i16         ; <i16>  [#uses=1]
15*9880d681SAndroid Build Coastguard Worker         store i16 %dcval.0, i16* %dct, align 2
16*9880d681SAndroid Build Coastguard Worker         ret i16 0
17*9880d681SAndroid Build Coastguard Worker}
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