| Sanjoy Das | ac5bf59 | 2016-08-03 20:53:23 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -indvars -S | FileCheck %s |
| Dan Gohman | 8078b8b | 2009-02-18 17:22:41 +0000 | [diff] [blame] | 2 | |
| Mehdi Amini | 46a4355 | 2015-03-04 18:43:29 +0000 | [diff] [blame] | 3 | ; Provide legal integer types. |
| 4 | target datalayout = "n8:16:32:64" |
| 5 | |
| 6 | |
| Dan Gohman | 8078b8b | 2009-02-18 17:22:41 +0000 | [diff] [blame] | 7 | define void @foo(i64* nocapture %x, i32 %n) nounwind { |
| Sanjoy Das | ac5bf59 | 2016-08-03 20:53:23 +0000 | [diff] [blame] | 8 | ; CHECK-LABEL: @foo( |
| 9 | ; CHECK-NOT: sext |
| 10 | ; CHECK: phi |
| 11 | ; CHECK-NOT: phi |
| Dan Gohman | 8078b8b | 2009-02-18 17:22:41 +0000 | [diff] [blame] | 12 | entry: |
| 13 | %tmp102 = icmp sgt i32 %n, 0 ; <i1> [#uses=1] |
| 14 | br i1 %tmp102, label %bb.nph, label %return |
| 15 | |
| 16 | bb.nph: ; preds = %entry |
| 17 | br label %bb |
| 18 | |
| 19 | bb: ; preds = %bb7, %bb.nph |
| 20 | %i.01 = phi i32 [ %tmp6, %bb7 ], [ 0, %bb.nph ] ; <i32> [#uses=3] |
| 21 | %tmp1 = sext i32 %i.01 to i64 ; <i64> [#uses=1] |
| David Blaikie | 79e6c74 | 2015-02-27 19:29:02 +0000 | [diff] [blame] | 22 | %tmp4 = getelementptr i64, i64* %x, i32 %i.01 ; <i64*> [#uses=1] |
| Dan Gohman | 8078b8b | 2009-02-18 17:22:41 +0000 | [diff] [blame] | 23 | store i64 %tmp1, i64* %tmp4, align 8 |
| 24 | %tmp6 = add i32 %i.01, 1 ; <i32> [#uses=2] |
| 25 | br label %bb7 |
| 26 | |
| 27 | bb7: ; preds = %bb |
| 28 | %tmp10 = icmp slt i32 %tmp6, %n ; <i1> [#uses=1] |
| 29 | br i1 %tmp10, label %bb, label %bb7.return_crit_edge |
| 30 | |
| 31 | bb7.return_crit_edge: ; preds = %bb7 |
| 32 | br label %return |
| 33 | |
| 34 | return: ; preds = %bb7.return_crit_edge, %entry |
| 35 | ret void |
| 36 | } |