| Pete Cooper | ba593ad | 2015-05-07 21:48:26 +0000 | [diff] [blame] | 1 | ; RUN: llc %s -o - -fast-isel=true -O1 -verify-machineinstrs | FileCheck %s |
| 2 | |
| 3 | target datalayout = "e-m:o-p:32:32-f64:32:64-v64:32:64-v128:32:128-a:0:32-n32-S32" |
| 4 | target triple = "thumbv7-apple-ios8.0.0" |
| 5 | |
| 6 | ; Tail duplication was incorrectly leaving kill flags on the duplicated instructions. |
| 7 | ; The machine verifier is able to spot this error, so this test should pass if it passes verification. |
| 8 | |
| 9 | ; CHECK-LABEL: @test |
| 10 | |
| 11 | %struct.cdiff_ctx = type { i8*, %struct.cdiff_node*, %struct.cdiff_node*, %struct.cdiff_node*, %struct.cdiff_node* } |
| 12 | %struct.cdiff_node = type { i32, i8*, i8*, %struct.cdiff_node* } |
| 13 | |
| 14 | declare i32 @logg(i32) |
| 15 | |
| 16 | define hidden i32 @test(%struct.cdiff_ctx* nocapture %ctx, %struct.cdiff_node* %tmp10) { |
| 17 | bb: |
| 18 | br label %.outer |
| 19 | |
| 20 | bb33: ; preds = %bb92, %.outer |
| 21 | %lines.0 = phi i32 [ %tmp37, %bb92 ], [ %lines.0.ph, %.outer ] |
| 22 | %tmp37 = add i32 %lines.0, 1 |
| 23 | %tmp39 = load i32, i32* %tmp57, align 4 |
| 24 | %tmp40 = icmp eq i32 %tmp39, %tmp37 |
| 25 | br i1 %tmp40, label %bb41, label %bb92 |
| 26 | |
| 27 | bb41: ; preds = %bb33 |
| 28 | %tmp45 = call i32 @strncmp() |
| 29 | %tmp46 = icmp eq i32 %tmp45, 0 |
| 30 | br i1 %tmp46, label %bb53, label %bb47 |
| 31 | |
| 32 | bb47: ; preds = %bb41 |
| 33 | %tmp52 = call i32 @logg(i32 %tmp37) |
| 34 | ret i32 -1 |
| 35 | |
| 36 | bb53: ; preds = %bb41 |
| 37 | %tmp54 = getelementptr inbounds %struct.cdiff_node, %struct.cdiff_node* %del.0.ph, i32 0, i32 3 |
| 38 | %tmp55 = load %struct.cdiff_node*, %struct.cdiff_node** %tmp54, align 4 |
| 39 | br label %.outer |
| 40 | |
| 41 | .outer: ; preds = %bb53, %bb |
| 42 | %del.0.ph = phi %struct.cdiff_node* [ %tmp55, %bb53 ], [ null, %bb ] |
| 43 | %lines.0.ph = phi i32 [ 1, %bb53 ], [ 0, %bb ] |
| 44 | %tmp57 = getelementptr inbounds %struct.cdiff_node, %struct.cdiff_node* %del.0.ph, i32 0, i32 0 |
| 45 | br label %bb33 |
| 46 | |
| 47 | bb92: ; preds = %bb33 |
| 48 | %tmp93 = call i32 @puts() |
| 49 | br label %bb33 |
| 50 | } |
| 51 | |
| 52 | declare i32 @strncmp() |
| 53 | |
| 54 | declare i32 @puts() |