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| author | Bill Schmidt <wschmidt@linux.vnet.ibm.com> | 2013-01-07 19:29:18 +0000 |
|---|---|---|
| committer | Bill Schmidt <wschmidt@linux.vnet.ibm.com> | 2013-01-07 19:29:18 +0000 |
| commit | 5b7f9216c357f1cdf507f300f396b44cb982eb3f (patch) | |
| tree | 0ec0da8431762da98a57a1a6a7dc944053f46836 /test/CodeGen/PowerPC/mcm-8.ll | |
| parent | 3ebe59c892051375623fea55e977ff559fdb3323 (diff) | |
| download | llvm-5b7f9216c357f1cdf507f300f396b44cb982eb3f.tar.gz llvm-5b7f9216c357f1cdf507f300f396b44cb982eb3f.tar.bz2 llvm-5b7f9216c357f1cdf507f300f396b44cb982eb3f.tar.xz | |
This patch addresses bug 14678 by fixing two problems in medium code model
code generation. Variables addressed through a GlobalAlias were not being
handled, and variables with available_externally linkage were treated
incorrectly. The patch contains two new tests to verify the correct code
generation for these cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171778 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/PowerPC/mcm-8.ll')
| -rw-r--r-- | test/CodeGen/PowerPC/mcm-8.ll | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/test/CodeGen/PowerPC/mcm-8.ll b/test/CodeGen/PowerPC/mcm-8.ll new file mode 100644 index 0000000000..9381a976a4 --- /dev/null +++ b/test/CodeGen/PowerPC/mcm-8.ll @@ -0,0 +1,24 @@ +; RUN: llc -mcpu=pwr7 -O0 -code-model=medium < %s | FileCheck %s + +; Test correct code generation for medium code model (32-bit TOC offsets) +; for loading a variable with available-externally linkage. + +target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f128:128:128-v128:128:128-n32:64" +target triple = "powerpc64-unknown-linux-gnu" + +@x = available_externally constant [13 x i8] c"St9bad_alloc\00" + +define signext i8 @test_avext() nounwind { +entry: + %0 = getelementptr inbounds [13 x i8]* @x, i32 0, i32 0 + %1 = load i8* %0, align 1 + ret i8 %1 +} + +; CHECK: test_avext: +; CHECK: addis [[REG1:[0-9]+]], 2, .LC[[TOCNUM:[0-9]+]]@toc@ha +; CHECK: ld [[REG2:[0-9]+]], .LC[[TOCNUM]]@toc@l([[REG1]]) +; CHECK: lbz {{[0-9]+}}, 0([[REG2]]) +; CHECK: .section .toc +; CHECK: .LC[[TOCNUM]]: +; CHECK: .tc {{[a-z0-9A-Z_.]+}}[TC],{{[a-z0-9A-Z_.]+}} |