mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-04 07:29:20 +00:00
33a9cb4f40
dead nodes, but in this case its missing one. Fixing the DAGCombiner is desirable, but it's somewhat involved. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58777 91177308-0d34-0410-b5e6-96231b3b80d8
23 lines
943 B
LLVM
23 lines
943 B
LLVM
; RUN: llvm-as < %s | llc -march=ppc32
|
|
|
|
; The DAGCombiner leaves behind a dead node in this testcase. Currently
|
|
; ISel is ignoring dead nodes, though it would be preferable for
|
|
; DAGCombiner to be able to eliminate the dead node.
|
|
|
|
define void @GrayATo32ARGBTabB(i8* %baseAddr, i16** %cmp, i32 %rowBytes) nounwind {
|
|
entry:
|
|
br label %bb1
|
|
|
|
bb1: ; preds = %bb1, %entry
|
|
%0 = load i16* null, align 2 ; <i16> [#uses=1]
|
|
%1 = ashr i16 %0, 4 ; <i16> [#uses=1]
|
|
%2 = sext i16 %1 to i32 ; <i32> [#uses=1]
|
|
%3 = getelementptr i8* null, i32 %2 ; <i8*> [#uses=1]
|
|
%4 = load i8* %3, align 1 ; <i8> [#uses=1]
|
|
%5 = zext i8 %4 to i32 ; <i32> [#uses=1]
|
|
%6 = shl i32 %5, 24 ; <i32> [#uses=1]
|
|
%7 = or i32 0, %6 ; <i32> [#uses=1]
|
|
store i32 %7, i32* null, align 4
|
|
br label %bb1
|
|
}
|