From eb059b0e0a8337844ad5eb39d74cf2bcbef6ddcf Mon Sep 17 00:00:00 2001 From: Saleem Abdulrasool Date: Fri, 8 Jul 2016 00:48:22 +0000 Subject: ARM: support high registers in __builtin_longjmp on WoA Windows on ARM uses a pure thumb-2 environment. This means that it can select a high register when doing a __builtin_longjmp. We would use a tLDRi which would truncate the register to a low register. Use a t2LDRi12 to get the full register file access. Tweak the code to just load into PC, as that is an interworking branch on all supported cores anyways. llvm-svn: 274815 --- llvm/test/CodeGen/ARM/Windows/builtin_longjmp.ll | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) (limited to 'llvm/test/CodeGen/ARM/Windows/builtin_longjmp.ll') diff --git a/llvm/test/CodeGen/ARM/Windows/builtin_longjmp.ll b/llvm/test/CodeGen/ARM/Windows/builtin_longjmp.ll index 34005ea6965..52b6f301bb7 100644 --- a/llvm/test/CodeGen/ARM/Windows/builtin_longjmp.ll +++ b/llvm/test/CodeGen/ARM/Windows/builtin_longjmp.ll @@ -9,9 +9,7 @@ entry: } ; CHECK: push.w {r11, lr} -; CHECK: ldr r[[SP:[0-9]+]], [r0, #8] -; CHECK: mov sp, r[[SP]] -; CHECK: ldr r[[PC:[0-9]+]], [r0, #4] -; CHECK: ldr r11, [r0] -; CHECK: bx r[[PC]] +; CHECK: ldr.w r11, [r0] +; CHECK: ldr.w sp, [r0, #8] +; CHECK: ldr.w pc, [r0, #4] -- cgit v1.2.3