1 files changed, 301 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/PowerPC/preemption.ll b/llvm/test/CodeGen/PowerPC/preemption.ll
new file mode 100644
index 00000000000..5652f6d730a
--- /dev/null
+++ b/llvm/test/CodeGen/PowerPC/preemption.ll
@@ -0,0 +1,301 @@
+; RUN: llc -mtriple powerpc64le-unkown-gnu-linux  < %s |  FileCheck %s
+; RUN: llc -mtriple powerpc64le-unkown-gnu-linux -relocation-model=static \
+; RUN: < %s |  FileCheck --check-prefix=STATIC %s
+; RUN: llc -mtriple powerpc64le-unkown-gnu-linux -relocation-model=pic \
+; RUN: < %s |  FileCheck %s
+
+; globals
+
+@strong_default = global i32 55
+define i32* @get_strong_default() #0 {
+  ret i32* @strong_default
+
+; STATIC-LABEL: @get_strong_default
+; STATIC: addis 3, 2, strong_default@toc@ha
+; STATIC: addi 3, 3, strong_default@toc@l
+; STATIC: blr
+
+; CHECK-LABEL: @get_strong_default
+; CHECK: addis 3, 2, .LC0@toc@ha
+; CHECK: ld 3, .LC0@toc@l(3)
+; CHECK: blr
+}
+
+@weak_default = weak global i32 55
+define i32* @get_weak_default() #0 {
+  ret i32* @weak_default
+
+; STATIC-LABEL: @get_weak_default
+; STATIC: addis 3, 2, weak_default@toc@ha
+; STATIC: addi 3, 3, weak_default@toc@l
+; STATIC: blr
+
+; CHECK-LABEL: @get_weak_default
+; CHECK: addis 3, 2, .LC1@toc@ha
+; CHECK: ld 3, .LC1@toc@l(3)
+; CHECK: blr
+}
+
+@external_default_global = external global i32
+define i32* @get_external_default_global() {
+  ret i32* @external_default_global
+
+; STATIC-LABEL: @get_external_default_global
+; STATIC: addis 3, 2, .LC0@toc@ha
+; STATIC: ld 3, .LC0@toc@l(3)
+; STATIC: blr
+
+; CHECK-LABEL: @get_external_default_global
+; CHECK: addis 3, 2, .LC2@toc@ha
+; CHECK: ld 3, .LC2@toc@l(3)
+; CHECK: blr
+}
+
+
+@strong_local_global = dso_local global i32 55
+define i32* @get_strong_local_global() {
+  ret i32* @strong_local_global
+
+; STATIC-LABEL: @get_strong_local_global
+; STATIC:       addis 3, 2, strong_local_global@toc@ha
+; STATIC:       addi 3, 3, strong_local_global@toc@l
+; STATIC:       blr
+
+; CHECK-LABEL: @get_strong_local_global
+; CHECK:       addis 3, 2, strong_local_global@toc@ha
+; CHECK:       addi 3, 3, strong_local_global@toc@l
+; CHECK:       blr
+}
+
+@weak_local_global = weak dso_local global i32 42
+define i32* @get_weak_local_global() {
+  ret i32* @weak_local_global
+
+; STATIC-LABEL: @get_weak_local_global
+; STATIC:       addis 3, 2, weak_local_global@toc@ha
+; STATIC:       addi 3, 3, weak_local_global@toc@l
+; STATIC:       blr
+
+; CHECK-LABEL: @get_weak_local_global
+; CHECK:       addis 3, 2, weak_local_global@toc@ha
+; CHECK:       addi 3, 3, weak_local_global@toc@l
+; CHECK:       blr
+}
+
+@external_local_global = external dso_local global i32
+define i32* @get_external_local_global() {
+  ret i32* @external_local_global
+; STATIC-LABEL: @get_external_local_global
+; STATIC:       addis 3, 2, external_local_global@toc@ha
+; STATIC:       addi 3, 3, external_local_global@toc@l
+; STATIC:       blr
+
+; CHECK-LABEL: @get_external_local_global
+; CHECK:       addis 3, 2, external_local_global@toc@ha
+; CHECK:       addi 3, 3, external_local_global@toc@l
+; CHECK:       blr
+}
+
+@strong_preemptable_global = dso_preemptable global i32 42
+define i32* @get_strong_preemptable_global() {
+  ret i32* @strong_preemptable_global
+
+; STATIC-LABEL: @get_strong_preemptable_global
+; STATIC: addis 3, 2, strong_preemptable_global@toc@ha
+; STATIC: addi 3, 3, strong_preemptable_global@toc@l
+; STATIC: blr
+
+; CHECK-LABEL: @get_strong_preemptable_global
+; CHECK: addis 3, 2, .LC3@toc@ha
+; CHECK: ld 3, .LC3@toc@l(3)
+; CHECK: blr
+}
+
+@weak_preemptable_global = weak dso_preemptable global i32 42
+define i32* @get_weak_preemptable_global() {
+  ret i32* @weak_preemptable_global
+
+; STATIC-LABEL: @get_weak_preemptable_global
+; STATIC: addis 3, 2, weak_preemptable_global@toc@ha
+; STATIC: addi 3, 3, weak_preemptable_global@toc@l
+; STATIC: blr
+
+; CHECK-LABEL: @get_weak_preemptable_global
+; CHECK: addis 3, 2, .LC4@toc@ha
+; CHECK: ld 3, .LC4@toc@l(3)
+; CHECK: blr
+}
+
+@external_preemptable_global = external dso_preemptable global i32
+define i32* @get_external_preemptable_global() {
+  ret i32* @external_preemptable_global
+
+; STATIC-LABEL: @get_external_preemptable_global
+; STATIC: addis 3, 2, .LC1@toc@ha
+; STATIC: ld 3, .LC1@toc@l(3)
+; STATIC: blr
+
+; CHECK-LABEL: @get_external_preemptable_global
+; CHECK: addis 3, 2, .LC5@toc@ha
+; CHECK: ld 3, .LC5@toc@l(3)
+; CHECK: blr
+}
+
+; functions
+define signext i32 @strong_default_function(i32 %i) {
+  ret i32 %i
+}
+define signext i32 @strong_default_function_caller(i32 %i) {
+  %call = notail call signext i32 @strong_default_function(i32 signext %i)
+  ret i32 %call
+
+; STATIC-LABEL: @strong_default_function_caller
+; STATIC:       bl strong_default_function
+; STATIC-NOT:   nop
+; STATIC:       blr
+
+; CHECK-LABEL:  @strong_default_function_caller
+; CHECK:        bl strong_default_function
+; CHECK-NEXT:   nop
+; CHECK:        blr
+}
+
+define weak signext i32 @weak_default_function(i32 %i) {
+  ret i32 %i
+}
+define signext i32 @weak_default_function_caller(i32 %i) {
+  %call = notail call signext i32 @weak_default_function(i32 signext %i)
+  ret i32 %call
+
+; STATIC-LABEL: @weak_default_function_caller
+; STATIC:       bl weak_default_function
+; STATIC-NOT:   nop
+; STATIC:       blr
+
+; CHECK-LABEL:  @weak_default_function_caller
+; CHECK:        bl weak_default_function
+; CHECK-NEXT:   nop
+; CHECK:        blr
+}
+
+
+declare i32 @external_default_function(i32 %i)
+define i32 @external_default_function_caller(i32 %i) {
+  %call = notail call signext i32  @external_default_function(i32 signext %i)
+  ret i32 %call
+
+; STATIC-LABEL: @external_default_function_caller
+; STATIC:       bl external_default_function
+; STATIC-NEXT:  nop
+; STATIC:       blr
+
+; CHECK-LABEL:  @external_default_function_caller
+; CHECK:        bl external_default_function
+; CHECK-NEXT:   nop
+; CHECK:        blr
+}
+
+define dso_local signext i32 @strong_local_function(i32 %i) {
+  ret i32 %i
+}
+define signext i32 @strong_local_function_caller(i32 %i) {
+  %call = notail call signext i32 @strong_local_function(i32 signext %i)
+  ret i32 %call
+
+; STATIC-LABEL: @strong_local_function_caller
+; STATIC:       bl strong_local_function
+; STATIC-NOT:   nop
+; STATIC:       blr
+
+; CHECK-LABEL:  @strong_local_function_caller
+; CHECK:        bl strong_local_function
+; CHECK-NOT:    nop
+; CHECK:        blr
+}
+
+define weak dso_local signext i32 @weak_local_function(i32 %i) {
+  ret i32 %i
+}
+define signext i32 @weak_local_function_caller(i32 %i) {
+  %call = notail call signext i32 @weak_local_function(i32 signext %i)
+  ret i32 %call
+
+; STATIC-LABEL: @weak_local_function_caller
+; STATIC:       bl weak_local_function
+; STATIC-NOT:   nop
+; STATIC:       blr
+
+; CHECK-LABEL:  @weak_local_function_caller
+; CHECK:        bl weak_local_function
+; CHECK-NOT:    nop
+; CHECK:        blr
+}
+
+declare dso_local i32 @external_local_function(i32 %i)
+define i32 @external_local_function_caller(i32 %i) {
+  %call = notail call signext i32  @external_local_function(i32 signext %i)
+  ret i32 %call
+
+; STATIC-LABEL: @external_local_function_caller
+; STATIC:       bl external_local_function
+; STATIC-NOT:  nop
+; STATIC:       blr
+
+; CHECK-LABEL:  @external_local_function_caller
+; CHECK:        bl external_local_function
+; CHECK-NOT:    nop
+; CHECK:        blr
+}
+
+define dso_preemptable signext i32 @strong_preemptable_function(i32 %i) {
+  ret i32 %i
+}
+define signext i32 @strong_preemptable_function_caller(i32 %i) {
+  %call = notail call signext i32 @strong_preemptable_function(i32 signext %i)
+  ret i32 %call
+
+; STATIC-LABEL: @strong_preemptable_function_caller
+; STATIC:       bl strong_preemptable_function
+; STATIC-NOT:   nop
+; STATIC:       blr
+
+; CHECK-LABEL:  @strong_preemptable_function_caller
+; CHECK:        bl strong_preemptable_function
+; CHECK-NEXT:   nop
+; CHECK:        blr
+}
+
+define weak dso_preemptable signext i32 @weak_preemptable_function(i32 %i) {
+  ret i32 %i
+}
+define signext i32 @weak_preemptable_function_caller(i32 %i) {
+  %call = notail call signext i32 @weak_preemptable_function(i32 signext %i)
+  ret i32 %call
+
+; STATIC-LABEL: @weak_preemptable_function_caller
+; STATIC:       bl weak_preemptable_function
+; STATIC-NOT:   nop
+; STATIC:       blr
+
+; CHECK-LABEL:  @weak_preemptable_function_caller
+; CHECK:        bl weak_preemptable_function
+; CHECK-NEXT:   nop
+; CHECK:        blr
+}
+
+declare dso_preemptable i32 @external_preemptable_function(i32 %i)
+define i32 @external_preemptable_function_caller(i32 %i) {
+  %call = notail call signext i32  @external_preemptable_function(i32 signext %i)
+  ret i32 %call
+
+; STATIC-LABEL: @external_preemptable_function_caller
+; STATIC:       bl external_preemptable_function
+; STATIC-NEXT:   nop
+; STATIC:       blr
+
+; CHECK-LABEL:  @external_preemptable_function_caller
+; CHECK:        bl external_preemptable_function
+; CHECK-NEXT:    nop
+; CHECK:        blr
+}
+