Kai Nacke 427fb35192 [PPC] Opaque pointer migration, part 1.
The LIT test cases were migrated with the script provided by
Nikita Popov. Due to the size of the change it is split into
several parts.

Reviewed By: nemanja, amyk, nikic, PowerPC

Differential Revision: https://reviews.llvm.org/D135470
2022-10-11 17:24:06 +00:00

23 lines
968 B
LLVM

; RUN: llc -verify-machineinstrs < %s -mtriple=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(ptr %baseAddr, ptr %cmp, i32 %rowBytes) nounwind {
entry:
br label %bb1
bb1: ; preds = %bb1, %entry
%0 = load i16, ptr 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, ptr null, i32 %2 ; <ptr> [#uses=1]
%4 = load i8, ptr %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, ptr null, align 4
br label %bb1
}