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| author | Joerg Sonnenberger <joerg@bec.de> | 2019-04-24 22:12:22 +0000 |
|---|---|---|
| committer | Joerg Sonnenberger <joerg@bec.de> | 2019-04-24 22:12:22 +0000 |
| commit | 8372b467f18da0ff92ff59ba878365e8f4790212 (patch) | |
| tree | b74895bb57d09e2e6ac0073d9916915b6b6aac98 /llvm/test/CodeGen/PowerPC/tls.ll | |
| parent | 2f496763215848f625becc540c097a37502e31fe (diff) | |
| download | bcm5719-llvm-8372b467f18da0ff92ff59ba878365e8f4790212.tar.gz bcm5719-llvm-8372b467f18da0ff92ff59ba878365e8f4790212.zip | |
[PowerPC] Allow using initial-exec TLS with PIC
Using initial-exec TLS variables is a reasonable performance
optimisation for system libraries. Use the correct PIC mechanism to get
hold of the GOT to avoid text relocations.
Differential Revision: https://reviews.llvm.org/D61026
llvm-svn: 359146
Diffstat (limited to 'llvm/test/CodeGen/PowerPC/tls.ll')
| -rw-r--r-- | llvm/test/CodeGen/PowerPC/tls.ll | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/llvm/test/CodeGen/PowerPC/tls.ll b/llvm/test/CodeGen/PowerPC/tls.ll index 3ad93986bd4..6a0ab695642 100644 --- a/llvm/test/CodeGen/PowerPC/tls.ll +++ b/llvm/test/CodeGen/PowerPC/tls.ll @@ -1,6 +1,7 @@ ; RUN: llc -relocation-model=static -verify-machineinstrs -O0 < %s -mcpu=ppc64 | FileCheck -check-prefix=OPT0 %s ; RUN: llc -relocation-model=static -verify-machineinstrs -O1 < %s -mcpu=ppc64 | FileCheck -check-prefix=OPT1 %s ; RUN: llc -verify-machineinstrs -O0 < %s -mtriple=ppc32-- -mcpu=ppc | FileCheck -check-prefix=OPT0-PPC32 %s +; RUN: llc -relocation-model=pic -verify-machineinstrs -O0 < %s -mtriple=ppc32-- -mcpu=ppc | FileCheck -check-prefix=OPT0-PPC32-PIC %s target triple = "powerpc64-unknown-linux-gnu" @@ -24,7 +25,7 @@ entry: ; Test correct assembly code generation for thread-local storage ; using the initial-exec model. -@a2 = external thread_local global i32 +@a2 = external thread_local(initialexec) global i32 define signext i32 @main2() nounwind { entry: @@ -44,3 +45,10 @@ entry: ;OPT0-PPC32: addis [[REG1]], [[REG1]], _GLOBAL_OFFSET_TABLE_@ha ;OPT0-PPC32: lwz [[REG2:[0-9]+]], a2@got@tprel@l([[REG1]]) ;OPT0-PPC32: add 3, [[REG2]], a2@tls + +;OPT0-PPC32-PIC-LABEL: main2: +;OPT0-PPC32-PIC: .long _GLOBAL_OFFSET_TABLE_-{{.*}} +;OPT0-PPC32-PIC-NOT: li {{[0-9]+}}, _GLOBAL_OFFSET_TABLE_@l +;OPT0-PPC32-PIC-NOT: addis {{[0-9]+}}, {{[0-9+]}}, _GLOBAL_OFFSET_TABLE_@ha +;OPT0-PPC32-PIC-NOT: bl __tls_get_addr(a2@tlsgd)@PLT +;OPT0-PPC32-PIC: lwz {{[0-9]+}}, a2@got@tprel@l({{[0-9]+}}) |
