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https://github.com/c64scene-ar/llvm-6502.git
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36c4debc94
Because of this, we cannot use the Simplify* APIs, as they can assert-fail on unreachable code. Since it's not easy to determine if a given threading will cause a block to become unreachable, simply defer simplifying simplification to later InstCombine and/or DCE passes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115082 91177308-0d34-0410-b5e6-96231b3b80d8
514 lines
14 KiB
LLVM
514 lines
14 KiB
LLVM
; RUN: opt < %s -jump-threading -disable-output
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; PR2285
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
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target triple = "x86_64-unknown-linux-gnu"
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%struct.system__secondary_stack__mark_id = type { i64, i64 }
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define void @_ada_c35507b() {
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entry:
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br label %bb
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bb: ; preds = %bb13, %entry
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%ch.0 = phi i8 [ 0, %entry ], [ 0, %bb13 ] ; <i8> [#uses=1]
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%tmp11 = icmp ugt i8 %ch.0, 31 ; <i1> [#uses=1]
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%tmp120 = call %struct.system__secondary_stack__mark_id @system__secondary_stack__ss_mark( ) ; <%struct.system__secondary_stack__mark_id> [#uses=1]
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br i1 %tmp11, label %bb110, label %bb13
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bb13: ; preds = %bb
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br label %bb
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bb110: ; preds = %bb
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%mrv_gr124 = getresult %struct.system__secondary_stack__mark_id %tmp120, 1 ; <i64> [#uses=0]
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unreachable
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}
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declare %struct.system__secondary_stack__mark_id @system__secondary_stack__ss_mark()
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define fastcc void @findratio(double* nocapture %res1, double* nocapture %res2) nounwind ssp {
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entry:
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br label %bb12
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bb6.us:
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%tmp = icmp eq i32 undef, undef
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%tmp1 = fsub double undef, undef
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%tmp2 = fcmp ult double %tmp1, 0.000000e+00
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br i1 %tmp, label %bb6.us, label %bb13
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bb12:
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%tmp3 = fcmp ult double undef, 0.000000e+00
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br label %bb13
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bb13:
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%.lcssa31 = phi double [ undef, %bb12 ], [ %tmp1, %bb6.us ]
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%.lcssa30 = phi i1 [ %tmp3, %bb12 ], [ %tmp2, %bb6.us ]
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br i1 %.lcssa30, label %bb15, label %bb61
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bb15:
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%tmp4 = fsub double -0.000000e+00, %.lcssa31
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ret void
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bb61:
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ret void
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}
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; PR5258
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define i32 @test(i1 %cond, i1 %cond2, i32 %a) {
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A:
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br i1 %cond, label %F, label %A1
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F:
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br label %A1
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A1:
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%d = phi i1 [false, %A], [true, %F]
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%e = add i32 %a, %a
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br i1 %d, label %B, label %G
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G:
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br i1 %cond2, label %B, label %D
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B:
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%f = phi i32 [%e, %G], [%e, %A1]
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%b = add i32 0, 0
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switch i32 %a, label %C [
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i32 7, label %D
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i32 8, label %D
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i32 9, label %D
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]
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C:
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br label %D
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D:
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%c = phi i32 [%e, %B], [%e, %B], [%e, %B], [%f, %C], [%e, %G]
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ret i32 %c
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E:
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ret i32 412
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}
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define i32 @test2() nounwind {
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entry:
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br i1 true, label %decDivideOp.exit, label %bb7.i
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bb7.i: ; preds = %bb7.i, %entry
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br label %bb7.i
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decDivideOp.exit: ; preds = %entry
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ret i32 undef
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}
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; PR3298
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define i32 @test3(i32 %p_79, i32 %p_80) nounwind {
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entry:
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br label %bb7
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bb1: ; preds = %bb2
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br label %bb2
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bb2: ; preds = %bb7, %bb1
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%l_82.0 = phi i8 [ 0, %bb1 ], [ %l_82.1, %bb7 ] ; <i8> [#uses=3]
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br i1 true, label %bb3, label %bb1
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bb3: ; preds = %bb2
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%0 = icmp eq i32 %p_80_addr.1, 0 ; <i1> [#uses=1]
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br i1 %0, label %bb7, label %bb6
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bb5: ; preds = %bb6
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%1 = icmp eq i8 %l_82.0, 0 ; <i1> [#uses=1]
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br i1 %1, label %bb1.i, label %bb.i
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bb.i: ; preds = %bb5
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br label %safe_div_func_char_s_s.exit
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bb1.i: ; preds = %bb5
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br label %safe_div_func_char_s_s.exit
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safe_div_func_char_s_s.exit: ; preds = %bb1.i, %bb.i
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br label %bb6
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bb6: ; preds = %safe_div_func_char_s_s.exit, %bb3
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%p_80_addr.0 = phi i32 [ %p_80_addr.1, %bb3 ], [ 1, %safe_div_func_char_s_s.exit ] ; <i32> [#uses=2]
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%2 = icmp eq i32 %p_80_addr.0, 0 ; <i1> [#uses=1]
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br i1 %2, label %bb7, label %bb5
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bb7: ; preds = %bb6, %bb3, %entry
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%l_82.1 = phi i8 [ 1, %entry ], [ %l_82.0, %bb3 ], [ %l_82.0, %bb6 ] ; <i8> [#uses=2]
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%p_80_addr.1 = phi i32 [ 0, %entry ], [ %p_80_addr.1, %bb3 ], [ %p_80_addr.0, %bb6 ] ; <i32> [#uses=4]
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%3 = icmp eq i32 %p_80_addr.1, 0 ; <i1> [#uses=1]
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br i1 %3, label %bb8, label %bb2
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bb8: ; preds = %bb7
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%4 = sext i8 %l_82.1 to i32 ; <i32> [#uses=0]
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ret i32 0
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}
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; PR3353
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define i32 @test4(i8 %X) {
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entry:
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%Y = add i8 %X, 1
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%Z = add i8 %Y, 1
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br label %bb33.i
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bb33.i: ; preds = %bb33.i, %bb32.i
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switch i8 %Y, label %bb32.i [
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i8 39, label %bb35.split.i
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i8 13, label %bb33.i
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]
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bb35.split.i:
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ret i32 5
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bb32.i:
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ret i32 1
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}
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define fastcc void @test5(i1 %tmp, i32 %tmp1) nounwind ssp {
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entry:
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br i1 %tmp, label %bb12, label %bb13
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bb12:
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br label %bb13
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bb13:
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%.lcssa31 = phi i32 [ undef, %bb12 ], [ %tmp1, %entry ]
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%A = and i1 undef, undef
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br i1 %A, label %bb15, label %bb61
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bb15:
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ret void
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bb61:
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ret void
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}
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; PR5640
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define fastcc void @test6(i1 %tmp, i1 %tmp1) nounwind ssp {
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entry:
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br i1 %tmp, label %bb12, label %bb14
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bb12:
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br label %bb14
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bb14:
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%A = phi i1 [ %A, %bb13 ], [ true, %bb12 ], [%tmp1, %entry]
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br label %bb13
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bb13:
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br i1 %A, label %bb14, label %bb61
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bb61:
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ret void
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}
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; PR5698
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define void @test7(i32 %x) {
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entry:
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br label %tailrecurse
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tailrecurse:
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switch i32 %x, label %return [
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i32 2, label %bb2
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i32 3, label %bb
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]
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bb:
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switch i32 %x, label %return [
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i32 2, label %bb2
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i32 3, label %tailrecurse
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]
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bb2:
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ret void
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return:
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ret void
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}
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; PR6119
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define i32 @test8(i32 %action) nounwind {
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entry:
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switch i32 %action, label %lor.rhs [
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i32 1, label %if.then
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i32 0, label %lor.end
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]
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if.then: ; preds = %for.cond, %lor.end, %entry
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ret i32 undef
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lor.rhs: ; preds = %entry
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br label %lor.end
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lor.end: ; preds = %lor.rhs, %entry
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%cmp103 = xor i1 undef, undef ; <i1> [#uses=1]
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br i1 %cmp103, label %for.cond, label %if.then
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for.cond: ; preds = %for.body, %lor.end
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br i1 undef, label %if.then, label %for.body
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for.body: ; preds = %for.cond
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br label %for.cond
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}
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; PR6119
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define i32 @test9(i32 %action) nounwind {
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entry:
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switch i32 %action, label %lor.rhs [
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i32 1, label %if.then
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i32 0, label %lor.end
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]
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if.then: ; preds = %for.cond, %lor.end, %entry
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ret i32 undef
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lor.rhs: ; preds = %entry
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br label %lor.end
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lor.end: ; preds = %lor.rhs, %entry
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%0 = phi i1 [ undef, %lor.rhs ], [ true, %entry ] ; <i1> [#uses=1]
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%cmp103 = xor i1 undef, %0 ; <i1> [#uses=1]
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br i1 %cmp103, label %for.cond, label %if.then
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for.cond: ; preds = %for.body, %lor.end
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br i1 undef, label %if.then, label %for.body
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for.body: ; preds = %for.cond
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br label %for.cond
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}
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; PR6119
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define i32 @test10(i32 %action, i32 %type) nounwind {
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entry:
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%cmp2 = icmp eq i32 %type, 0 ; <i1> [#uses=1]
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switch i32 %action, label %lor.rhs [
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i32 1, label %if.then
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i32 0, label %lor.end
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]
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if.then: ; preds = %for.cond, %lor.end, %entry
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ret i32 undef
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lor.rhs: ; preds = %entry
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%cmp101 = icmp eq i32 %action, 2 ; <i1> [#uses=1]
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br label %lor.end
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lor.end: ; preds = %lor.rhs, %entry
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%0 = phi i1 [ %cmp101, %lor.rhs ], [ true, %entry ] ; <i1> [#uses=1]
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%cmp103 = xor i1 %cmp2, %0 ; <i1> [#uses=1]
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br i1 %cmp103, label %for.cond, label %if.then
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for.cond: ; preds = %for.body, %lor.end
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br i1 undef, label %if.then, label %for.body
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for.body: ; preds = %for.cond
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br label %for.cond
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}
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; PR6305
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define void @test11() nounwind {
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entry:
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br label %A
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A: ; preds = %entry
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call void undef(i64 ptrtoint (i8* blockaddress(@test11, %A) to i64)) nounwind
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unreachable
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}
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; PR6743
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define void @test12() nounwind ssp {
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entry:
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br label %lbl_51
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lbl_51: ; preds = %if.then, %entry
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%tmp3 = phi i1 [ false, %if.then ], [ undef, %entry ] ; <i1> [#uses=2]
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br i1 %tmp3, label %if.end12, label %if.then
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if.then: ; preds = %lbl_51
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br i1 %tmp3, label %lbl_51, label %if.end12
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if.end12: ; preds = %if.then, %lbl_51
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ret void
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}
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; PR7356
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define i32 @test13(i32* %P, i8* %Ptr) {
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entry:
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indirectbr i8* %Ptr, [label %BrBlock, label %B2]
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B2:
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store i32 4, i32 *%P
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br label %BrBlock
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BrBlock:
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%L = load i32* %P
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%C = icmp eq i32 %L, 42
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br i1 %C, label %T, label %F
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T:
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ret i32 123
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F:
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ret i32 1422
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}
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; PR7498
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define void @test14() nounwind {
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entry:
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%cmp33 = icmp slt i8 undef, 0 ; <i1> [#uses=1]
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%tobool = icmp eq i8 undef, 0 ; <i1> [#uses=1]
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br i1 %tobool, label %land.end69, label %land.rhs
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land.rhs: ; preds = %entry
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br label %land.end69
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land.end69: ; preds = %land.rhs, %entry
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%0 = phi i1 [ undef, %land.rhs ], [ true, %entry ] ; <i1> [#uses=1]
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%cmp71 = or i1 true, %0 ; <i1> [#uses=1]
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%cmp73 = xor i1 %cmp33, %cmp71 ; <i1> [#uses=1]
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br i1 %cmp73, label %if.then, label %if.end
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if.then: ; preds = %land.end69
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ret void
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if.end: ; preds = %land.end69
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ret void
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}
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; PR7647
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define void @test15() nounwind {
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entry:
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ret void
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if.then237:
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br label %lbl_664
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lbl_596: ; preds = %lbl_664, %for.end37
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volatile store i64 undef, i64* undef, align 4
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br label %for.cond111
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for.cond111: ; preds = %safe_sub_func_int64_t_s_s.exit, %lbl_596
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%storemerge = phi i8 [ undef, %cond.true.i100 ], [ 22, %lbl_596 ] ; <i8> [#uses=1]
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%l_678.5 = phi i64 [ %l_678.3, %cond.true.i100 ], [ undef, %lbl_596 ] ; <i64> [#uses=2]
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%cmp114 = icmp slt i8 %storemerge, -2 ; <i1> [#uses=1]
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br i1 %cmp114, label %lbl_664, label %if.end949
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lbl_664: ; preds = %for.end1058, %if.then237, %for.cond111
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%l_678.3 = phi i64 [ %l_678.5, %for.cond111 ], [ %l_678.2, %for.cond1035 ], [ 5, %if.then237 ] ; <i64> [#uses=1]
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%tobool118 = icmp eq i32 undef, 0 ; <i1> [#uses=1]
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br i1 %tobool118, label %cond.true.i100, label %lbl_596
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cond.true.i100: ; preds = %for.inc120
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br label %for.cond111
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lbl_709:
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br label %if.end949
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for.cond603: ; preds = %for.body607, %if.end336
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br i1 undef, label %for.cond603, label %if.end949
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if.end949: ; preds = %for.cond603, %lbl_709, %for.cond111
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%l_678.2 = phi i64 [ %l_678.5, %for.cond111 ], [ undef, %lbl_709 ], [ 5, %for.cond603 ] ; <i64> [#uses=1]
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br label %for.body1016
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for.body1016: ; preds = %for.cond1012
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br label %for.body1016
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for.cond1035: ; preds = %for.inc1055, %if.then1026
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br i1 undef, label %for.cond1040, label %lbl_664
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for.cond1040: ; preds = %for.body1044, %for.cond1035
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ret void
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}
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; PR7755
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define void @test16(i1 %c, i1 %c2, i1 %c3, i1 %c4) nounwind ssp {
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entry:
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%cmp = icmp sgt i32 undef, 1 ; <i1> [#uses=1]
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br i1 %c, label %land.end, label %land.rhs
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land.rhs: ; preds = %entry
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br i1 %c2, label %lor.lhs.false.i, label %land.end
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lor.lhs.false.i: ; preds = %land.rhs
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br i1 %c3, label %land.end, label %land.end
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land.end:
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%0 = phi i1 [ true, %entry ], [ false, %land.rhs ], [false, %lor.lhs.false.i], [false, %lor.lhs.false.i] ; <i1> [#uses=1]
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%cmp12 = and i1 %cmp, %0
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%xor1 = xor i1 %cmp12, %c4
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br i1 %xor1, label %if.then, label %if.end
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if.then:
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ret void
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if.end:
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ret void
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}
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define void @test17() {
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entry:
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br i1 undef, label %bb269.us.us, label %bb269.us.us.us
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bb269.us.us.us:
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%indvar = phi i64 [ %indvar.next, %bb287.us.us.us ], [ 0, %entry ]
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%0 = icmp eq i16 undef, 0
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br i1 %0, label %bb287.us.us.us, label %bb286.us.us.us
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bb287.us.us.us:
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%indvar.next = add i64 %indvar, 1
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%exitcond = icmp eq i64 %indvar.next, 4
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br i1 %exitcond, label %bb288.bb289.loopexit_crit_edge, label %bb269.us.us.us
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bb286.us.us.us:
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unreachable
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bb269.us.us:
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|
unreachable
|
|
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bb288.bb289.loopexit_crit_edge:
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unreachable
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}
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|
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; PR 8247
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%struct.S1 = type { i8, i8 }
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@func_89.l_245 = internal constant %struct.S1 { i8 33, i8 6 }, align 1
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define void @func_89(i16 zeroext %p_90, %struct.S1* nocapture %p_91, i32* nocapture %p_92) nounwind ssp {
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entry:
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store i32 0, i32* %p_92, align 4
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br i1 false, label %lbl_260, label %if.else
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|
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if.else: ; preds = %entry
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br label %for.cond
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|
|
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for.cond: ; preds = %lbl_260, %if.else
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%l_245.0 = phi i16 [ %l_245.1, %lbl_260 ], [ 33, %if.else ]
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|
%l_261.0 = phi i32 [ %and, %lbl_260 ], [ 255, %if.else ]
|
|
%tobool21 = icmp ult i16 %l_245.0, 256
|
|
br i1 %tobool21, label %if.end, label %lbl_260
|
|
|
|
lbl_260: ; preds = %for.cond, %entry
|
|
%l_245.1 = phi i16 [ 1569, %entry ], [ %l_245.0, %for.cond ]
|
|
%l_261.1 = phi i32 [ 255, %entry ], [ %l_261.0, %for.cond ]
|
|
%and = and i32 %l_261.1, 1
|
|
br label %for.cond
|
|
|
|
if.end: ; preds = %for.cond
|
|
ret void
|
|
}
|