Temporarily disable Hexagon tests. They are failing on OS X

[oota-llvm.git] / test / CodeGen / ARM / ldrd.ll

diff --git a/test/CodeGen/ARM/ldrd.ll b/test/CodeGen/ARM/ldrd.ll
index 06072a564f67baaa6b20f46aa1cf2c35e72ebc18..d72e9bfc1da2809632c4454553b4d85bed2a361e 100644 (file)
--- a/test/CodeGen/ARM/ldrd.ll
+++ b/test/CodeGen/ARM/ldrd.ll
@@ -1,12 +1,23 @@
-; RUN: llc < %s -mtriple=armv6-apple-darwin | grep ldrd
-; RUN: llc < %s -mtriple=armv5-apple-darwin | not grep ldrd
-; RUN: llc < %s -mtriple=armv6-eabi | not grep ldrd
-; rdar://r6949835
+; RUN: llc < %s -mtriple=thumbv7-apple-ios -mcpu=cortex-a8 -regalloc=fast | FileCheck %s -check-prefix=A8
+; RUN: llc < %s -mtriple=thumbv7-apple-ios -mcpu=cortex-m3 -regalloc=fast | FileCheck %s -check-prefix=M3
+; rdar://6949835
+
+; Magic ARM pair hints works best with linearscan / fast.
+
+; Cortex-M3 errata 602117: LDRD with base in list may result in incorrect base
+; register when interrupted or faulted.
 
 @b = external global i64*
 
 define i64 @t(i64 %a) nounwind readonly {
 entry:
+; A8: t:
+; A8:   ldrd r2, r3, [r2]
+
+; M3: t:
+; M3-NOT: ldrd
+; M3: ldm.w r2, {r2, r3}
+
        %0 = load i64** @b, align 4
        %1 = load i64* %0, align 4
        %2 = mul i64 %1, %a