mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-31 16:02:52 +01:00
43 lines
1.1 KiB
LLVM
43 lines
1.1 KiB
LLVM
; RUN: llc < %s -march=x86
|
|
; PR2775
|
|
|
|
define i32 @func_77(i8 zeroext %p_79) nounwind {
|
|
entry:
|
|
%0 = tail call i32 (...)* @func_43(i32 1) nounwind ; <i32> [#uses=1]
|
|
%1 = icmp eq i32 %0, 0 ; <i1> [#uses=1]
|
|
br i1 %1, label %bb3, label %bb
|
|
|
|
bb: ; preds = %entry
|
|
br label %bb3
|
|
|
|
bb3: ; preds = %bb, %entry
|
|
%p_79_addr.0 = phi i8 [ 0, %bb ], [ %p_79, %entry ] ; <i8> [#uses=1]
|
|
%2 = zext i8 %p_79_addr.0 to i32 ; <i32> [#uses=2]
|
|
%3 = zext i1 false to i32 ; <i32> [#uses=2]
|
|
%4 = tail call i32 (...)* @rshift_u_s(i32 1) nounwind ; <i32> [#uses=0]
|
|
%5 = lshr i32 %2, %2 ; <i32> [#uses=3]
|
|
%6 = icmp eq i32 0, 0 ; <i1> [#uses=1]
|
|
br i1 %6, label %bb6, label %bb9
|
|
|
|
bb6: ; preds = %bb3
|
|
%7 = ashr i32 %5, %3 ; <i32> [#uses=1]
|
|
%8 = icmp eq i32 %7, 0 ; <i1> [#uses=1]
|
|
%9 = select i1 %8, i32 %3, i32 0 ; <i32> [#uses=1]
|
|
%. = shl i32 %5, %9 ; <i32> [#uses=1]
|
|
br label %bb9
|
|
|
|
bb9: ; preds = %bb6, %bb3
|
|
%.0 = phi i32 [ %., %bb6 ], [ %5, %bb3 ] ; <i32> [#uses=0]
|
|
br i1 false, label %return, label %bb10
|
|
|
|
bb10: ; preds = %bb9
|
|
ret i32 undef
|
|
|
|
return: ; preds = %bb9
|
|
ret i32 undef
|
|
}
|
|
|
|
declare i32 @func_43(...)
|
|
|
|
declare i32 @rshift_u_s(...)
|