diff options
Diffstat (limited to 'test/CodeGen')
| -rw-r--r-- | test/CodeGen/SystemZ/bswap-08.ll | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/test/CodeGen/SystemZ/bswap-08.ll b/test/CodeGen/SystemZ/bswap-08.ll new file mode 100644 index 00000000000..f82b09b37b7 --- /dev/null +++ b/test/CodeGen/SystemZ/bswap-08.ll @@ -0,0 +1,17 @@ +; Verify that truncating stores do not use STRV +; +; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s + +declare i64 @llvm.bswap.i64(i64) + +define void @f1(i32* %x, i64* %y) { +; CHECK-LABEL: f1: +; CHECK-NOT: strv +; CHECK: br %r14 + %a = load i64, i64* %y, align 8 + %b = tail call i64 @llvm.bswap.i64(i64 %a) + %conv = trunc i64 %b to i32 + store i32 %conv, i32* %x, align 4 + ret void +} + |