xref: /aosp_15_r20/external/llvm/test/CodeGen/PowerPC/delete-node.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -march=ppc32
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Worker; The DAGCombiner leaves behind a dead node in this testcase. Currently
4*9880d681SAndroid Build Coastguard Worker; ISel is ignoring dead nodes, though it would be preferable for
5*9880d681SAndroid Build Coastguard Worker; DAGCombiner to be able to eliminate the dead node.
6*9880d681SAndroid Build Coastguard Worker
7*9880d681SAndroid Build Coastguard Workerdefine void @GrayATo32ARGBTabB(i8* %baseAddr, i16** %cmp, i32 %rowBytes) nounwind {
8*9880d681SAndroid Build Coastguard Workerentry:
9*9880d681SAndroid Build Coastguard Worker      	br label %bb1
10*9880d681SAndroid Build Coastguard Worker
11*9880d681SAndroid Build Coastguard Workerbb1:            ; preds = %bb1, %entry
12*9880d681SAndroid Build Coastguard Worker        %0 = load i16, i16* null, align 2            ; <i16> [#uses=1]
13*9880d681SAndroid Build Coastguard Worker        %1 = ashr i16 %0, 4             ; <i16> [#uses=1]
14*9880d681SAndroid Build Coastguard Worker        %2 = sext i16 %1 to i32         ; <i32> [#uses=1]
15*9880d681SAndroid Build Coastguard Worker        %3 = getelementptr i8, i8* null, i32 %2             ; <i8*> [#uses=1]
16*9880d681SAndroid Build Coastguard Worker        %4 = load i8, i8* %3, align 1               ; <i8> [#uses=1]
17*9880d681SAndroid Build Coastguard Worker        %5 = zext i8 %4 to i32          ; <i32> [#uses=1]
18*9880d681SAndroid Build Coastguard Worker        %6 = shl i32 %5, 24             ; <i32> [#uses=1]
19*9880d681SAndroid Build Coastguard Worker        %7 = or i32 0, %6               ; <i32> [#uses=1]
20*9880d681SAndroid Build Coastguard Worker        store i32 %7, i32* null, align 4
21*9880d681SAndroid Build Coastguard Worker        br label %bb1
22*9880d681SAndroid Build Coastguard Worker}
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