| JF Bastien | e4d22d5 | 2015-07-20 22:51:32 +0000 | [diff] [blame] | 1 | ; Check that stack alignment can be forced. Individual targets should test their |
| 2 | ; specific implementation details. |
| 3 | |
| Akira Hatanaka | bc497c9 | 2015-09-11 18:54:38 +0000 | [diff] [blame] | 4 | ; RUN: llc < %s -stackrealign -stack-alignment=32 | FileCheck %s |
| JF Bastien | e4d22d5 | 2015-07-20 22:51:32 +0000 | [diff] [blame] | 5 | ; CHECK-LABEL: @f |
| 6 | ; CHECK-LABEL: @g |
| 7 | |
| 8 | define i32 @f(i8* %p) nounwind { |
| 9 | entry: |
| 10 | %0 = load i8, i8* %p |
| 11 | %conv = sext i8 %0 to i32 |
| 12 | ret i32 %conv |
| 13 | } |
| 14 | |
| 15 | define i64 @g(i32 %i) nounwind { |
| 16 | entry: |
| 17 | br label %if.then |
| 18 | |
| 19 | if.then: |
| 20 | %0 = alloca i8, i32 %i |
| Daniel Neilson | 1e68724 | 2018-01-19 17:13:12 +0000 | [diff] [blame^] | 21 | call void @llvm.memset.p0i8.i32(i8* %0, i8 0, i32 %i, i1 false) |
| JF Bastien | e4d22d5 | 2015-07-20 22:51:32 +0000 | [diff] [blame] | 22 | %call = call i32 @f(i8* %0) |
| 23 | %conv = sext i32 %call to i64 |
| 24 | ret i64 %conv |
| 25 | } |
| 26 | |
| Daniel Neilson | 1e68724 | 2018-01-19 17:13:12 +0000 | [diff] [blame^] | 27 | declare void @llvm.memset.p0i8.i32(i8*, i8, i32, i1) nounwind |