It's not necessary to do rounding for alloca operations when the requested
alignment is equal to the stack alignment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40004 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/Generic/2006-06-28-SimplifySetCCCrash.ll b/test/CodeGen/Generic/2006-06-28-SimplifySetCCCrash.ll
new file mode 100644
index 0000000..1fe13f8
--- /dev/null
+++ b/test/CodeGen/Generic/2006-06-28-SimplifySetCCCrash.ll
@@ -0,0 +1,281 @@
+; RUN: llvm-upgrade < %s | llvm-as | llc
+ %struct.rtunion = type { long }
+ %struct.rtx_def = type { ushort, ubyte, ubyte, [1 x %struct.rtunion] }
+%ix86_cpu = external global uint ; <uint*> [#uses=1]
+%which_alternative = external global int ; <int*> [#uses=3]
+
+implementation ; Functions:
+
+declare fastcc int %recog()
+
+void %athlon_fp_unit_ready_cost() {
+entry:
+ %tmp = setlt int 0, 0 ; <bool> [#uses=1]
+ br bool %tmp, label %cond_true.i, label %cond_true
+
+cond_true: ; preds = %entry
+ ret void
+
+cond_true.i: ; preds = %entry
+ %tmp8.i = tail call fastcc int %recog( ) ; <int> [#uses=1]
+ switch int %tmp8.i, label %UnifiedReturnBlock [
+ int -1, label %bb2063
+ int 19, label %bb2035
+ int 20, label %bb2035
+ int 21, label %bb2035
+ int 23, label %bb2035
+ int 24, label %bb2035
+ int 27, label %bb2035
+ int 32, label %bb2035
+ int 33, label %bb1994
+ int 35, label %bb2035
+ int 36, label %bb1994
+ int 90, label %bb1948
+ int 94, label %bb1948
+ int 95, label %bb1948
+ int 101, label %bb1648
+ int 102, label %bb1648
+ int 103, label %bb1648
+ int 104, label %bb1648
+ int 133, label %bb1419
+ int 135, label %bb1238
+ int 136, label %bb1238
+ int 137, label %bb1238
+ int 138, label %bb1238
+ int 139, label %bb1201
+ int 140, label %bb1201
+ int 141, label %bb1154
+ int 142, label %bb1126
+ int 144, label %bb1201
+ int 145, label %bb1126
+ int 146, label %bb1201
+ int 147, label %bb1126
+ int 148, label %bb1201
+ int 149, label %bb1126
+ int 150, label %bb1201
+ int 151, label %bb1126
+ int 152, label %bb1096
+ int 153, label %bb1096
+ int 154, label %bb1096
+ int 157, label %bb1096
+ int 158, label %bb1096
+ int 159, label %bb1096
+ int 162, label %bb1096
+ int 163, label %bb1096
+ int 164, label %bb1096
+ int 167, label %bb1201
+ int 168, label %bb1201
+ int 170, label %bb1201
+ int 171, label %bb1201
+ int 173, label %bb1201
+ int 174, label %bb1201
+ int 176, label %bb1201
+ int 177, label %bb1201
+ int 179, label %bb993
+ int 180, label %bb993
+ int 181, label %bb993
+ int 182, label %bb993
+ int 183, label %bb993
+ int 184, label %bb993
+ int 365, label %bb1126
+ int 366, label %bb1126
+ int 367, label %bb1126
+ int 368, label %bb1126
+ int 369, label %bb1126
+ int 370, label %bb1126
+ int 371, label %bb1126
+ int 372, label %bb1126
+ int 373, label %bb1126
+ int 384, label %bb1126
+ int 385, label %bb1126
+ int 386, label %bb1126
+ int 387, label %bb1126
+ int 388, label %bb1126
+ int 389, label %bb1126
+ int 390, label %bb1126
+ int 391, label %bb1126
+ int 392, label %bb1126
+ int 525, label %bb919
+ int 526, label %bb839
+ int 528, label %bb919
+ int 529, label %bb839
+ int 531, label %cond_next6.i119
+ int 532, label %cond_next6.i97
+ int 533, label %cond_next6.i81
+ int 534, label %bb495
+ int 536, label %cond_next6.i81
+ int 537, label %cond_next6.i81
+ int 538, label %bb396
+ int 539, label %bb288
+ int 541, label %bb396
+ int 542, label %bb396
+ int 543, label %bb396
+ int 544, label %bb396
+ int 545, label %bb189
+ int 546, label %cond_next6.i
+ int 547, label %bb189
+ int 548, label %cond_next6.i
+ int 549, label %bb189
+ int 550, label %cond_next6.i
+ int 551, label %bb189
+ int 552, label %cond_next6.i
+ int 553, label %bb189
+ int 554, label %cond_next6.i
+ int 555, label %bb189
+ int 556, label %cond_next6.i
+ int 557, label %bb189
+ int 558, label %cond_next6.i
+ int 618, label %bb40
+ int 619, label %bb18
+ int 620, label %bb40
+ int 621, label %bb10
+ int 622, label %bb10
+ ]
+
+bb10: ; preds = %cond_true.i, %cond_true.i
+ ret void
+
+bb18: ; preds = %cond_true.i
+ ret void
+
+bb40: ; preds = %cond_true.i, %cond_true.i
+ ret void
+
+cond_next6.i: ; preds = %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i
+ ret void
+
+bb189: ; preds = %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i
+ ret void
+
+bb288: ; preds = %cond_true.i
+ ret void
+
+bb396: ; preds = %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i
+ ret void
+
+bb495: ; preds = %cond_true.i
+ ret void
+
+cond_next6.i81: ; preds = %cond_true.i, %cond_true.i, %cond_true.i
+ ret void
+
+cond_next6.i97: ; preds = %cond_true.i
+ ret void
+
+cond_next6.i119: ; preds = %cond_true.i
+ %tmp.i126 = seteq ushort 0, 78 ; <bool> [#uses=1]
+ br bool %tmp.i126, label %cond_next778, label %bb802
+
+cond_next778: ; preds = %cond_next6.i119
+ %tmp781 = seteq uint 0, 1 ; <bool> [#uses=1]
+ br bool %tmp781, label %cond_next784, label %bb790
+
+cond_next784: ; preds = %cond_next778
+ %tmp785 = load uint* %ix86_cpu ; <uint> [#uses=1]
+ %tmp786 = seteq uint %tmp785, 5 ; <bool> [#uses=1]
+ br bool %tmp786, label %UnifiedReturnBlock, label %bb790
+
+bb790: ; preds = %cond_next784, %cond_next778
+ %tmp793 = seteq uint 0, 1 ; <bool> [#uses=0]
+ ret void
+
+bb802: ; preds = %cond_next6.i119
+ ret void
+
+bb839: ; preds = %cond_true.i, %cond_true.i
+ ret void
+
+bb919: ; preds = %cond_true.i, %cond_true.i
+ ret void
+
+bb993: ; preds = %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i
+ ret void
+
+bb1096: ; preds = %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i
+ ret void
+
+bb1126: ; preds = %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i
+ ret void
+
+bb1154: ; preds = %cond_true.i
+ ret void
+
+bb1201: ; preds = %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i
+ ret void
+
+bb1238: ; preds = %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i
+ ret void
+
+bb1419: ; preds = %cond_true.i
+ ret void
+
+bb1648: ; preds = %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i
+ %tmp1650 = load int* %which_alternative ; <int> [#uses=1]
+ switch int %tmp1650, label %bb1701 [
+ int 0, label %cond_next1675
+ int 1, label %cond_next1675
+ int 2, label %cond_next1675
+ ]
+
+cond_next1675: ; preds = %bb1648, %bb1648, %bb1648
+ ret void
+
+bb1701: ; preds = %bb1648
+ %tmp1702 = load int* %which_alternative ; <int> [#uses=1]
+ switch int %tmp1702, label %bb1808 [
+ int 0, label %cond_next1727
+ int 1, label %cond_next1727
+ int 2, label %cond_next1727
+ ]
+
+cond_next1727: ; preds = %bb1701, %bb1701, %bb1701
+ ret void
+
+bb1808: ; preds = %bb1701
+ %bothcond696 = or bool false, false ; <bool> [#uses=1]
+ br bool %bothcond696, label %bb1876, label %cond_next1834
+
+cond_next1834: ; preds = %bb1808
+ ret void
+
+bb1876: ; preds = %bb1808
+ %tmp1877signed = load int* %which_alternative ; <int> [#uses=4]
+ %tmp1877 = cast int %tmp1877signed to uint ; <uint> [#uses=1]
+ %bothcond699 = setlt uint %tmp1877, 2 ; <bool> [#uses=1]
+ %tmp1888 = seteq int %tmp1877signed, 2 ; <bool> [#uses=1]
+ %bothcond700 = or bool %bothcond699, %tmp1888 ; <bool> [#uses=1]
+ %bothcond700.not = xor bool %bothcond700, true ; <bool> [#uses=1]
+ %tmp1894 = seteq int %tmp1877signed, 3 ; <bool> [#uses=1]
+ %bothcond701 = or bool %tmp1894, %bothcond700.not ; <bool> [#uses=1]
+ %bothcond702 = or bool %bothcond701, false ; <bool> [#uses=1]
+ br bool %bothcond702, label %UnifiedReturnBlock, label %cond_next1902
+
+cond_next1902: ; preds = %bb1876
+ switch int %tmp1877signed, label %cond_next1937 [
+ int 0, label %bb1918
+ int 1, label %bb1918
+ int 2, label %bb1918
+ ]
+
+bb1918: ; preds = %cond_next1902, %cond_next1902, %cond_next1902
+ ret void
+
+cond_next1937: ; preds = %cond_next1902
+ ret void
+
+bb1948: ; preds = %cond_true.i, %cond_true.i, %cond_true.i
+ ret void
+
+bb1994: ; preds = %cond_true.i, %cond_true.i
+ ret void
+
+bb2035: ; preds = %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i, %cond_true.i
+ ret void
+
+bb2063: ; preds = %cond_true.i
+ ret void
+
+UnifiedReturnBlock: ; preds = %bb1876, %cond_next784, %cond_true.i
+ %UnifiedRetVal = phi int [ 100, %bb1876 ], [ 100, %cond_true.i ], [ 4, %cond_next784 ] ; <int> [#uses=0]
+ ret void
+}