diff options
Diffstat (limited to 'test/CodeGen')
| -rw-r--r-- | test/CodeGen/ARM/ldrd.ll | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/test/CodeGen/ARM/ldrd.ll b/test/CodeGen/ARM/ldrd.ll index 8010f20689..d72e9bfc1d 100644 --- a/test/CodeGen/ARM/ldrd.ll +++ b/test/CodeGen/ARM/ldrd.ll @@ -1,21 +1,22 @@ -; RUN: llc < %s -mtriple=armv6-apple-darwin -regalloc=linearscan | FileCheck %s -check-prefix=V6 -; RUN: llc < %s -mtriple=armv5-apple-darwin -regalloc=linearscan | FileCheck %s -check-prefix=V5 -; RUN: llc < %s -mtriple=armv6-eabi -regalloc=linearscan | FileCheck %s -check-prefix=EABI -; 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. +; 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: -;V6: ldrd r2, r3, [r2] - -;V5: ldr r{{[0-9]+}}, [r2] -;V5: ldr r{{[0-9]+}}, [r2, #4] +; A8: t: +; A8: ldrd r2, r3, [r2] -;EABI: ldr r{{[0-9]+}}, [r2] -;EABI: ldr r{{[0-9]+}}, [r2, #4] +; M3: t: +; M3-NOT: ldrd +; M3: ldm.w r2, {r2, r3} %0 = load i64** @b, align 4 %1 = load i64* %0, align 4 |