aboutsummaryrefslogtreecommitdiff
path: root/test/CodeGen/AArch64/mergestores_noimplicitfloat.ll
diff options
context:
space:
mode:
authorDimitry Andric <dim@FreeBSD.org>2018-07-28 10:51:19 +0000
committerDimitry Andric <dim@FreeBSD.org>2018-07-28 10:51:19 +0000
commiteb11fae6d08f479c0799db45860a98af528fa6e7 (patch)
tree44d492a50c8c1a7eb8e2d17ea3360ec4d066f042 /test/CodeGen/AArch64/mergestores_noimplicitfloat.ll
parentb8a2042aa938069e862750553db0e4d82d25822c (diff)
Notes
Diffstat (limited to 'test/CodeGen/AArch64/mergestores_noimplicitfloat.ll')
-rw-r--r--test/CodeGen/AArch64/mergestores_noimplicitfloat.ll18
1 files changed, 8 insertions, 10 deletions
diff --git a/test/CodeGen/AArch64/mergestores_noimplicitfloat.ll b/test/CodeGen/AArch64/mergestores_noimplicitfloat.ll
index 74aeaf75d037..fbaef9cc0751 100644
--- a/test/CodeGen/AArch64/mergestores_noimplicitfloat.ll
+++ b/test/CodeGen/AArch64/mergestores_noimplicitfloat.ll
@@ -4,20 +4,18 @@ target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
target triple = "arm64-apple-ios10.0.0"
; PR33475 - Expect 64-bit operations as 128-operations are not legal
+; However, we can generate a paired 64-bit loads and stores, without using
+; floating point registers.
; CHECK-LABEL: pr33475
-; CHECK-DAG: ldr [[R0:x[0-9]+]], [x1]
-; CHECK-DAG: str [[R0]], [x0]
-; CHECK-DAG: ldr [[R1:x[0-9]+]], [x1, #8]
-; CHECK-DAG: str [[R1]], [x0, #8]
-; CHECK-DAG: ldr [[R2:x[0-9]+]], [x1, #16]
-; CHECK-DAG: str [[R2]], [x0, #16]
-; CHECK-DAG: ldr [[R3:x[0-9]+]], [x1, #24]
-; CHECK-DAG: str [[R3]], [x0, #24]
+; CHECK-DAG: ldp [[R0:x[0-9]+]], [[R0:x[0-9]+]], [x1, #16]
+; CHECK-DAG: ldp [[R0:x[0-9]+]], [[R0:x[0-9]+]], [x1]
+; CHECK-DAG: stp [[R0:x[0-9]+]], [[R0:x[0-9]+]], [x0, #16]
+; CHECK-DAG: stp [[R0:x[0-9]+]], [[R0:x[0-9]+]], [x0]
define void @pr33475(i8* %p0, i8* %p1) noimplicitfloat {
- call void @llvm.memcpy.p0i8.p0i8.i64(i8* %p0, i8* %p1, i64 32, i32 4, i1 false)
+ call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 %p0, i8* align 4 %p1, i64 32, i1 false)
ret void
}
-declare void @llvm.memcpy.p0i8.p0i8.i64(i8*, i8*, i64, i32, i1)
+declare void @llvm.memcpy.p0i8.p0i8.i64(i8*, i8*, i64, i1)