Sanjoy Das | ac5bf59 | 2016-08-03 20:53:23 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -indvars -S | FileCheck %s |
Dan Gohman | 19d2417 | 2009-06-29 20:34:13 +0000 | [diff] [blame] | 2 | ; PR4477 |
Dan Gohman | 19d2417 | 2009-06-29 20:34:13 +0000 | [diff] [blame] | 3 | ; Indvars should compute the exit values in loop. |
Andrew Trick | 90c7a10 | 2011-11-16 00:52:40 +0000 | [diff] [blame] | 4 | ; |
| 5 | ; XFAIL: * |
| 6 | ; Indvars does not currently replace loop invariant values unless all |
| 7 | ; loop exits have the same exit value. We could handle some cases, |
| 8 | ; such as this, by making getSCEVAtScope() sensitive to a particular |
| 9 | ; loop exit. See PR11388. |
Dan Gohman | 19d2417 | 2009-06-29 20:34:13 +0000 | [diff] [blame] | 10 | |
| 11 | target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32" |
| 12 | target triple = "i386-pc-linux-gnu" |
| 13 | %struct.cc70a02__complex_integers__complex_type = type { i8, i8 } |
| 14 | @.str = internal constant [13 x i8] c"fc70a00.adb\00\00", align 1 ; <[13 x i8]*> [#uses=1] |
| 15 | |
| 16 | define void @_ada_cc70a02() { |
Sanjoy Das | ac5bf59 | 2016-08-03 20:53:23 +0000 | [diff] [blame] | 17 | ; CHECK-LABEL: @_ada_cc70a02( |
| 18 | ; CHECK: [%]tmp7 = icmp eq i8 -28, -28 |
| 19 | ; CHECK: [%]tmp8 = icmp eq i8 63, 63 |
| 20 | |
Dan Gohman | 19d2417 | 2009-06-29 20:34:13 +0000 | [diff] [blame] | 21 | entry: |
| 22 | br label %bb1.i |
| 23 | |
| 24 | bb1.i: ; preds = %bb2.i, %entry |
| 25 | %indvar.i = phi i32 [ 0, %entry ], [ %indvar.next.i, %bb2.i ] ; <i32> [#uses=2] |
| 26 | %result.0.i = phi i16 [ 0, %entry ], [ %ins36.i, %bb2.i ] ; <i16> [#uses=2] |
| 27 | %tmp38.i = trunc i16 %result.0.i to i8 ; <i8> [#uses=2] |
| 28 | %tmp = add i8 %tmp38.i, 96 ; <i8> [#uses=1] |
| 29 | %tmp1 = icmp ugt i8 %tmp, -56 ; <i1> [#uses=1] |
| 30 | br i1 %tmp1, label %bb.i.i, label %bb1.i.i |
| 31 | |
| 32 | bb.i.i: ; preds = %bb1.i |
David Blaikie | f72d05b | 2015-03-13 18:20:45 +0000 | [diff] [blame] | 33 | tail call void @__gnat_rcheck_12(i8* getelementptr ([13 x i8], [13 x i8]* @.str, i32 0, i32 0), i32 24) noreturn |
Dan Gohman | 19d2417 | 2009-06-29 20:34:13 +0000 | [diff] [blame] | 34 | unreachable |
| 35 | |
| 36 | bb1.i.i: ; preds = %bb1.i |
| 37 | %tmp41.i = lshr i16 %result.0.i, 8 ; <i16> [#uses=1] |
| 38 | %tmp42.i = trunc i16 %tmp41.i to i8 ; <i8> [#uses=2] |
| 39 | %tmp2 = add i8 %tmp42.i, 109 ; <i8> [#uses=1] |
| 40 | %tmp3 = icmp ugt i8 %tmp2, -56 ; <i1> [#uses=1] |
| 41 | br i1 %tmp3, label %bb2.i.i, label %cc70a02__complex_integers__Oadd.153.exit.i |
| 42 | |
| 43 | bb2.i.i: ; preds = %bb1.i.i |
David Blaikie | f72d05b | 2015-03-13 18:20:45 +0000 | [diff] [blame] | 44 | tail call void @__gnat_rcheck_12(i8* getelementptr ([13 x i8], [13 x i8]* @.str, i32 0, i32 0), i32 24) noreturn |
Dan Gohman | 19d2417 | 2009-06-29 20:34:13 +0000 | [diff] [blame] | 45 | unreachable |
| 46 | |
| 47 | cc70a02__complex_integers__Oadd.153.exit.i: ; preds = %bb1.i.i |
| 48 | %tmp4 = add i8 %tmp38.i, -4 ; <i8> [#uses=2] |
| 49 | %tmp5 = add i8 %tmp42.i, 9 ; <i8> [#uses=2] |
| 50 | %tmp25.i = zext i8 %tmp4 to i16 ; <i16> [#uses=1] |
| 51 | %tmp33.i = zext i8 %tmp5 to i16 ; <i16> [#uses=1] |
| 52 | %tmp34.i = shl i16 %tmp33.i, 8 ; <i16> [#uses=1] |
| 53 | %ins36.i = or i16 %tmp34.i, %tmp25.i ; <i16> [#uses=1] |
| 54 | %tmp6 = icmp eq i32 %indvar.i, 6 ; <i1> [#uses=1] |
| 55 | br i1 %tmp6, label %cc70a02__complex_multiplication.170.exit, label %bb2.i |
| 56 | |
| 57 | bb2.i: ; preds = %cc70a02__complex_integers__Oadd.153.exit.i |
| 58 | %indvar.next.i = add i32 %indvar.i, 1 ; <i32> [#uses=1] |
| 59 | br label %bb1.i |
| 60 | |
| 61 | cc70a02__complex_multiplication.170.exit: ; preds = %cc70a02__complex_integers__Oadd.153.exit.i |
| 62 | %tmp7 = icmp eq i8 %tmp4, -28 ; <i1> [#uses=1] |
| 63 | %tmp8 = icmp eq i8 %tmp5, 63 ; <i1> [#uses=1] |
| 64 | %or.cond = and i1 %tmp8, %tmp7 ; <i1> [#uses=1] |
| 65 | br i1 %or.cond, label %return, label %bb1 |
| 66 | |
| 67 | bb1: ; preds = %cc70a02__complex_multiplication.170.exit |
| 68 | tail call void @exit(i32 1) |
| 69 | ret void |
| 70 | |
| 71 | return: ; preds = %cc70a02__complex_multiplication.170.exit |
| 72 | ret void |
| 73 | } |
| 74 | |
| 75 | declare fastcc void @cc70a02__complex_integers__complex.164(%struct.cc70a02__complex_integers__complex_type* noalias nocapture sret, i8 signext, i8 signext) nounwind |
| 76 | |
| 77 | declare fastcc void @cc70a02__complex_integers__Osubtract.149(%struct.cc70a02__complex_integers__complex_type* noalias sret, %struct.cc70a02__complex_integers__complex_type* byval align 4) |
| 78 | |
| 79 | declare fastcc void @cc70a02__complex_integers__Oadd.153(%struct.cc70a02__complex_integers__complex_type* noalias sret, %struct.cc70a02__complex_integers__complex_type* byval align 4, %struct.cc70a02__complex_integers__complex_type* byval align 4) |
| 80 | |
| 81 | declare fastcc void @cc70a02__complex_multiplication.170(%struct.cc70a02__complex_integers__complex_type* noalias sret, %struct.cc70a02__complex_integers__complex_type* byval align 4) |
| 82 | |
| 83 | declare void @__gnat_rcheck_12(i8*, i32) noreturn |
| 84 | |
| 85 | declare void @exit(i32) |