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Diffstat (limited to 'test/CodeGen/PowerPC/mcm-9.ll')
| -rw-r--r-- | test/CodeGen/PowerPC/mcm-9.ll | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/test/CodeGen/PowerPC/mcm-9.ll b/test/CodeGen/PowerPC/mcm-9.ll new file mode 100644 index 0000000..f366f45 --- /dev/null +++ b/test/CodeGen/PowerPC/mcm-9.ll @@ -0,0 +1,28 @@ +; RUN: llc -mcpu=pwr7 -O0 -code-model=medium <%s | FileCheck %s +; RUN: llc -mcpu=pwr7 -O0 -code-model=large <%s | FileCheck %s + +; Test correct code generation for medium and large code model +; for loading and storing an aliased external variable. + +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" + +@ei = external global i32 +@a = alias i32* @ei + +define signext i32 @test_external() nounwind { +entry: + %0 = load i32* @a, align 4 + %inc = add nsw i32 %0, 1 + store i32 %inc, i32* @a, align 4 + ret i32 %0 +} + +; CHECK: test_external: +; CHECK: addis [[REG1:[0-9]+]], 2, .LC[[TOCNUM:[0-9]+]]@toc@ha +; CHECK: ld [[REG2:[0-9]+]], .LC[[TOCNUM]]@toc@l([[REG1]]) +; CHECK: lwz {{[0-9]+}}, 0([[REG2]]) +; CHECK: stw {{[0-9]+}}, 0([[REG2]]) +; CHECK: .section .toc +; CHECK: .LC[[TOCNUM]]: +; CHECK: .tc {{[a-z0-9A-Z_.]+}}[TC],{{[a-z0-9A-Z_.]+}} |
