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authorRafael Espindola <rafael.espindola@gmail.com>2016-06-20 17:45:33 +0000
committerRafael Espindola <rafael.espindola@gmail.com>2016-06-20 17:45:33 +0000
commit959e9c8d01dafcf45a7020fb97bbed61a149f084 (patch)
tree900f276d64cd77627afac9aea3d31289b6076017 /llvm/test/CodeGen/ARM/fast-isel-pie.ll
parent535089426555f15d891a1898dcfecc1c83e54084 (diff)
downloadbcm5719-llvm-959e9c8d01dafcf45a7020fb97bbed61a149f084.tar.gz
bcm5719-llvm-959e9c8d01dafcf45a7020fb97bbed61a149f084.zip
Use shouldAssumeDSOLocal.
With this ARM fast isel knows that PIE variable are not preemptable. llvm-svn: 273169
Diffstat (limited to 'llvm/test/CodeGen/ARM/fast-isel-pie.ll')
-rw-r--r--llvm/test/CodeGen/ARM/fast-isel-pie.ll19
1 files changed, 19 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/ARM/fast-isel-pie.ll b/llvm/test/CodeGen/ARM/fast-isel-pie.ll
new file mode 100644
index 00000000000..23a88bdaa22
--- /dev/null
+++ b/llvm/test/CodeGen/ARM/fast-isel-pie.ll
@@ -0,0 +1,19 @@
+; RUN: llc < %s -O0 -fast-isel-abort=1 -relocation-model=pic -mtriple=armv7-pc-linux-gnueabi | FileCheck %s
+
+@var = global i32 42
+
+define i32* @foo() {
+; CHECK: foo:
+; CHECK: ldr r0, .L[[POOL:.*]]
+; CHECK-NEXT: .L[[ADDR:.*]]:
+; CHECK-NEXT: add r0, pc, r0
+; CHECK-NEXT: bx lr
+
+; CHECK: .L[[POOL]]:
+; CHECK-NEXT: .long var-(.L[[ADDR]]+8)
+
+ ret i32* @var
+}
+
+!llvm.module.flags = !{!0}
+!0 = !{i32 1, !"PIE Level", i32 2}
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