mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2025-11-01 00:17:01 +00:00
36a0947820
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81290 91177308-0d34-0410-b5e6-96231b3b80d8
70 lines
3.1 KiB
LLVM
70 lines
3.1 KiB
LLVM
; RUN: llc < %s -march=x86
|
|
; PR4753
|
|
|
|
; This function has a sub-register reuse undone.
|
|
|
|
@uint8 = external global i32 ; <i32*> [#uses=3]
|
|
|
|
declare signext i8 @foo(i32, i8 signext) nounwind readnone
|
|
|
|
declare signext i8 @bar(i32, i8 signext) nounwind readnone
|
|
|
|
define i32 @uint80(i8 signext %p_52) nounwind {
|
|
entry:
|
|
%0 = sext i8 %p_52 to i16 ; <i16> [#uses=1]
|
|
%1 = tail call i32 @func_24(i16 zeroext %0, i8 signext ptrtoint (i8 (i32, i8)* @foo to i8)) nounwind; <i32> [#uses=1]
|
|
%2 = trunc i32 %1 to i8 ; <i8> [#uses=1]
|
|
%3 = or i8 %2, 1 ; <i8> [#uses=1]
|
|
%4 = tail call i32 @safe(i32 1) nounwind ; <i32> [#uses=0]
|
|
%5 = tail call i32 @func_24(i16 zeroext 0, i8 signext undef) nounwind; <i32> [#uses=1]
|
|
%6 = trunc i32 %5 to i8 ; <i8> [#uses=1]
|
|
%7 = xor i8 %3, %p_52 ; <i8> [#uses=1]
|
|
%8 = xor i8 %7, %6 ; <i8> [#uses=1]
|
|
%9 = icmp ne i8 %p_52, 0 ; <i1> [#uses=1]
|
|
%10 = zext i1 %9 to i8 ; <i8> [#uses=1]
|
|
%11 = tail call i32 @func_24(i16 zeroext ptrtoint (i8 (i32, i8)* @bar to i16), i8 signext %10) nounwind; <i32> [#uses=1]
|
|
%12 = tail call i32 @func_24(i16 zeroext 0, i8 signext 1) nounwind; <i32> [#uses=0]
|
|
br i1 undef, label %bb2, label %bb
|
|
|
|
bb: ; preds = %entry
|
|
br i1 undef, label %bb2, label %bb3
|
|
|
|
bb2: ; preds = %bb, %entry
|
|
br label %bb3
|
|
|
|
bb3: ; preds = %bb2, %bb
|
|
%iftmp.2.0 = phi i32 [ 0, %bb2 ], [ 1, %bb ] ; <i32> [#uses=1]
|
|
%13 = icmp ne i32 %11, %iftmp.2.0 ; <i1> [#uses=1]
|
|
%14 = tail call i32 @safe(i32 -2) nounwind ; <i32> [#uses=0]
|
|
%15 = zext i1 %13 to i8 ; <i8> [#uses=1]
|
|
%16 = tail call signext i8 @func_53(i8 signext undef, i8 signext 1, i8 signext %15, i8 signext %8) nounwind; <i8> [#uses=0]
|
|
br i1 undef, label %bb5, label %bb4
|
|
|
|
bb4: ; preds = %bb3
|
|
%17 = volatile load i32* @uint8, align 4 ; <i32> [#uses=0]
|
|
br label %bb5
|
|
|
|
bb5: ; preds = %bb4, %bb3
|
|
%18 = volatile load i32* @uint8, align 4 ; <i32> [#uses=0]
|
|
%19 = sext i8 undef to i16 ; <i16> [#uses=1]
|
|
%20 = tail call i32 @func_24(i16 zeroext %19, i8 signext 1) nounwind; <i32> [#uses=0]
|
|
br i1 undef, label %return, label %bb6.preheader
|
|
|
|
bb6.preheader: ; preds = %bb5
|
|
%21 = sext i8 %p_52 to i32 ; <i32> [#uses=1]
|
|
%22 = volatile load i32* @uint8, align 4 ; <i32> [#uses=0]
|
|
%23 = tail call i32 (...)* @safefuncts(i32 %21, i32 1) nounwind; <i32> [#uses=0]
|
|
unreachable
|
|
|
|
return: ; preds = %bb5
|
|
ret i32 undef
|
|
}
|
|
|
|
declare i32 @func_24(i16 zeroext, i8 signext)
|
|
|
|
declare i32 @safe(i32)
|
|
|
|
declare signext i8 @func_53(i8 signext, i8 signext, i8 signext, i8 signext)
|
|
|
|
declare i32 @safefuncts(...)
|