diff options
| -rw-r--r-- | lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.cpp | 5 | ||||
| -rw-r--r-- | test/CodeGen/PowerPC/mcm-default.ll | 26 |
2 files changed, 31 insertions, 0 deletions
diff --git a/lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.cpp b/lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.cpp index 6568e82e2b..29faca3400 100644 --- a/lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.cpp +++ b/lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.cpp @@ -88,6 +88,11 @@ static MCCodeGenInfo *createPPCMCCodeGenInfo(StringRef TT, Reloc::Model RM, else RM = Reloc::Static; } + if (CM == CodeModel::Default) { + Triple T(TT); + if (!T.isOSDarwin() && T.getArch() == Triple::ppc64) + CM = CodeModel::Medium; + } X->InitMCCodeGenInfo(RM, CM, OL); return X; } diff --git a/test/CodeGen/PowerPC/mcm-default.ll b/test/CodeGen/PowerPC/mcm-default.ll new file mode 100644 index 0000000000..19de2536ae --- /dev/null +++ b/test/CodeGen/PowerPC/mcm-default.ll @@ -0,0 +1,26 @@ +; RUN: llc -mcpu=pwr7 -O0 <%s | FileCheck %s + +; Test that we generate code for the medium model as the default. +; Use an external variable reference as an example. + +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 + +define signext i32 @test_external() nounwind { +entry: + %0 = load i32* @ei, align 4 + %inc = add nsw i32 %0, 1 + store i32 %inc, i32* @ei, 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_.]+}} |