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| author | Richard Osborne <richard@xmos.com> | 2013-04-16 20:05:52 +0000 |
|---|---|---|
| committer | Richard Osborne <richard@xmos.com> | 2013-04-16 20:05:52 +0000 |
| commit | 13a16284a5a988a85b55f11ca593452e15d373df (patch) | |
| tree | 085536ed6b403fee4e6b0a2eb5b2898705b875e1 /test/CodeGen/XCore/offset_folding.ll | |
| parent | db51e31527a4288c38bc948d582e4bcfc76906d8 (diff) | |
| download | llvm-13a16284a5a988a85b55f11ca593452e15d373df.tar.gz llvm-13a16284a5a988a85b55f11ca593452e15d373df.tar.bz2 llvm-13a16284a5a988a85b55f11ca593452e15d373df.tar.xz | |
[XCore] Extend test to check positve offsets are folded into addresses.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179621 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/XCore/offset_folding.ll')
| -rw-r--r-- | test/CodeGen/XCore/offset_folding.ll | 31 |
1 files changed, 24 insertions, 7 deletions
diff --git a/test/CodeGen/XCore/offset_folding.ll b/test/CodeGen/XCore/offset_folding.ll index 0328fb0460..30edfe695c 100644 --- a/test/CodeGen/XCore/offset_folding.ll +++ b/test/CodeGen/XCore/offset_folding.ll @@ -1,23 +1,40 @@ ; RUN: llc < %s -march=xcore | FileCheck %s -; Don't fold negative offsets into cp / dp accesses to avoid a relocation -; error if the address + addend is less than the start of the cp / dp. - @a = external constant [0 x i32], section ".cp.rodata" @b = external global [0 x i32] -define i32 *@f() nounwind { +define i32 *@f1() nounwind { +entry: +; CHECK: f1: +; CHECK: ldaw r11, cp[a+4] +; CHECK: mov r0, r11 + %0 = getelementptr [0 x i32]* @a, i32 0, i32 1 + ret i32* %0 +} + +define i32 *@f2() nounwind { +entry: +; CHECK: f2: +; CHECK: ldaw r0, dp[b+4] + %0 = getelementptr [0 x i32]* @b, i32 0, i32 1 + ret i32* %0 +} + +; Don't fold negative offsets into cp / dp accesses to avoid a relocation +; error if the address + addend is less than the start of the cp / dp. + +define i32 *@f3() nounwind { entry: -; CHECK: f: +; CHECK: f3: ; CHECK: ldaw r11, cp[a] ; CHECK: sub r0, r11, 4 %0 = getelementptr [0 x i32]* @a, i32 0, i32 -1 ret i32* %0 } -define i32 *@g() nounwind { +define i32 *@f4() nounwind { entry: -; CHECK: g: +; CHECK: f4: ; CHECK: ldaw [[REG:r[0-9]+]], dp[b] ; CHECK: sub r0, [[REG]], 4 %0 = getelementptr [0 x i32]* @b, i32 0, i32 -1 |