[Bitcode][Asm] Teach LLVM to read and write operand bundles.

Summary:
This also adds the first set of tests for operand bundles.

The optimizer has not been audited to ensure that it does the right
thing with operand bundles.

Depends on D12456.

Reviewers: reames, chandlerc, majnemer, dexonsmith, kmod, JosephTremoulet, rnk, bogner

Subscribers: maksfb, llvm-commits

Differential Revision: http://reviews.llvm.org/D12457

llvm-svn: 248551

3 files changed, 341 insertions, 1 deletions

diff --git a/llvm/test/Bitcode/compatibility.ll b/llvm/test/Bitcode/compatibility.ll
index 9c4c958c985..e18c239d530 100644
--- a/llvm/test/Bitcode/compatibility.ll
+++ b/llvm/test/Bitcode/compatibility.ll
@@ -6,7 +6,7 @@
 ;     http://llvm.org/docs/DeveloperPolicy.html#ir-backwards-compatibility 
 
 ; RUN: llvm-as < %s | llvm-dis | llvm-as | llvm-dis | FileCheck %s
-; RUN: verify-uselistorder < %s
+; RUN-PR24755: verify-uselistorder < %s
 
 target datalayout = "E"
 ; CHECK: target datalayout = "E"
@@ -1313,6 +1313,158 @@ define void @misc.metadata() {
   ret void
 }
 
+declare void @op_bundle_callee_0()
+declare void @op_bundle_callee_1(i32,i32)
+
+define void @call_with_operand_bundle0(i32* %ptr) {
+; CHECK-LABEL: call_with_operand_bundle0(
+ entry:
+  %l = load i32, i32* %ptr
+  %x = add i32 42, 1
+  call void @op_bundle_callee_0() [ "foo"(i32 42, i64 100, i32 %x), "bar"(float  0.000000e+00, i64 100, i32 %l) ]
+; CHECK: call void @op_bundle_callee_0() [ "foo"(i32 42, i64 100, i32 %x), "bar"(float  0.000000e+00, i64 100, i32 %l) ]
+  ret void
+}
+
+define void @call_with_operand_bundle1(i32* %ptr) {
+; CHECK-LABEL: call_with_operand_bundle1(
+ entry:
+  %l = load i32, i32* %ptr
+  %x = add i32 42, 1
+
+  call void @op_bundle_callee_0()
+  call void @op_bundle_callee_0() [ "foo"() ]
+  call void @op_bundle_callee_0() [ "foo"(i32 42, i64 100, i32 %x), "bar"(float  0.000000e+00, i64 100, i32 %l) ]
+; CHECK: @op_bundle_callee_0(){{$}}
+; CHECK-NEXT: call void @op_bundle_callee_0() [ "foo"() ]
+; CHECK-NEXT: call void @op_bundle_callee_0() [ "foo"(i32 42, i64 100, i32 %x), "bar"(float  0.000000e+00, i64 100, i32 %l) ]
+  ret void
+}
+
+define void @call_with_operand_bundle2(i32* %ptr) {
+; CHECK-LABEL: call_with_operand_bundle2(
+ entry:
+  call void @op_bundle_callee_0() [ "foo"() ]
+; CHECK: call void @op_bundle_callee_0() [ "foo"() ]
+  ret void
+}
+
+define void @call_with_operand_bundle3(i32* %ptr) {
+; CHECK-LABEL: call_with_operand_bundle3(
+ entry:
+  %l = load i32, i32* %ptr
+  %x = add i32 42, 1
+  call void @op_bundle_callee_0() [ "foo"(i32 42, i64 100, i32 %x), "foo"(i32 42, float  0.000000e+00, i32 %l) ]
+; CHECK: call void @op_bundle_callee_0() [ "foo"(i32 42, i64 100, i32 %x), "foo"(i32 42, float  0.000000e+00, i32 %l) ]
+  ret void
+}
+
+define void @call_with_operand_bundle4(i32* %ptr) {
+; CHECK-LABEL: call_with_operand_bundle4(
+ entry:
+  %l = load i32, i32* %ptr
+  %x = add i32 42, 1
+  call void @op_bundle_callee_1(i32 10, i32 %x) [ "foo"(i32 42, i64 100, i32 %x), "foo"(i32 42, float  0.000000e+00, i32 %l) ]
+; CHECK: call void @op_bundle_callee_1(i32 10, i32 %x) [ "foo"(i32 42, i64 100, i32 %x), "foo"(i32 42, float  0.000000e+00, i32 %l) ]
+  ret void
+}
+
+; Invoke versions of the above tests:
+
+
+define void @invoke_with_operand_bundle0(i32* %ptr) personality i8 3 {
+; CHECK-LABEL: @invoke_with_operand_bundle0(
+ entry:
+  %l = load i32, i32* %ptr
+  %x = add i32 42, 1
+  invoke void @op_bundle_callee_0() [ "foo"(i32 42, i64 100, i32 %x), "bar"(float  0.000000e+00, i64 100, i32 %l) ] to label %normal unwind label %exception
+; CHECK: invoke void @op_bundle_callee_0() [ "foo"(i32 42, i64 100, i32 %x), "bar"(float  0.000000e+00, i64 100, i32 %l) ]
+
+exception:
+  %cleanup = landingpad i8 cleanup
+  br label %normal
+normal:
+  ret void
+}
+
+define void @invoke_with_operand_bundle1(i32* %ptr) personality i8 3 {
+; CHECK-LABEL: @invoke_with_operand_bundle1(
+ entry:
+  %l = load i32, i32* %ptr
+  %x = add i32 42, 1
+
+  invoke void @op_bundle_callee_0() to label %normal unwind label %exception
+; CHECK: invoke void @op_bundle_callee_0(){{$}}
+
+exception:
+  %cleanup = landingpad i8 cleanup
+  br label %normal
+
+normal:
+  invoke void @op_bundle_callee_0() [ "foo"() ] to label %normal1 unwind label %exception1
+; CHECK: invoke void @op_bundle_callee_0() [ "foo"() ]
+
+exception1:
+  %cleanup1 = landingpad i8 cleanup
+  br label %normal1
+
+normal1:
+  invoke void @op_bundle_callee_0() [ "foo"(i32 42, i64 100, i32 %x), "foo"(i32 42, float  0.000000e+00, i32 %l) ] to label %normal2 unwind label %exception2
+; CHECK: invoke void @op_bundle_callee_0() [ "foo"(i32 42, i64 100, i32 %x), "foo"(i32 42, float  0.000000e+00, i32 %l) ]
+
+exception2:
+  %cleanup2 = landingpad i8 cleanup
+  br label %normal2
+
+normal2:
+  ret void
+}
+
+define void @invoke_with_operand_bundle2(i32* %ptr) personality i8 3 {
+; CHECK-LABEL: @invoke_with_operand_bundle2(
+ entry:
+  invoke void @op_bundle_callee_0() [ "foo"() ] to label %normal unwind label %exception
+; CHECK: invoke void @op_bundle_callee_0() [ "foo"() ]
+
+exception:
+  %cleanup = landingpad i8 cleanup
+  br label %normal
+normal:
+  ret void
+}
+
+define void @invoke_with_operand_bundle3(i32* %ptr) personality i8 3 {
+; CHECK-LABEL: @invoke_with_operand_bundle3(
+ entry:
+  %l = load i32, i32* %ptr
+  %x = add i32 42, 1
+  invoke void @op_bundle_callee_0() [ "foo"(i32 42, i64 100, i32 %x), "foo"(i32 42, float  0.000000e+00, i32 %l) ] to label %normal unwind label %exception
+; CHECK: invoke void @op_bundle_callee_0() [ "foo"(i32 42, i64 100, i32 %x), "foo"(i32 42, float  0.000000e+00, i32 %l) ]
+
+exception:
+  %cleanup = landingpad i8 cleanup
+  br label %normal
+normal:
+  ret void
+}
+
+define void @invoke_with_operand_bundle4(i32* %ptr) personality i8 3 {
+; CHECK-LABEL: @invoke_with_operand_bundle4(
+ entry:
+  %l = load i32, i32* %ptr
+  %x = add i32 42, 1
+  invoke void @op_bundle_callee_1(i32 10, i32 %x) [ "foo"(i32 42, i64 100, i32 %x), "foo"(i32 42, float  0.000000e+00, i32 %l) ]
+        to label %normal unwind label %exception
+; CHECK: invoke void @op_bundle_callee_1(i32 10, i32 %x) [ "foo"(i32 42, i64 100, i32 %x), "foo"(i32 42, float  0.000000e+00, i32 %l) ]
+
+exception:
+  %cleanup = landingpad i8 cleanup
+  br label %normal
+normal:
+  ret void
+}
+
+
 ; CHECK: attributes #0 = { alignstack=4 }
 ; CHECK: attributes #1 = { alignstack=8 }
 ; CHECK: attributes #2 = { alwaysinline }
diff --git a/llvm/test/Bitcode/operand-bundles.ll b/llvm/test/Bitcode/operand-bundles.ll
new file mode 100644
index 00000000000..ab28cffd84a
--- /dev/null
+++ b/llvm/test/Bitcode/operand-bundles.ll
@@ -0,0 +1,152 @@
+; RUN: llvm-as < %s | llvm-dis | FileCheck %s
+
+declare void @callee0()
+declare void @callee1(i32,i32)
+
+define void @f0(i32* %ptr) {
+; CHECK-LABEL: @f0(
+ entry:
+  %l = load i32, i32* %ptr
+  %x = add i32 42, 1
+  call void @callee0() [ "foo"(i32 42, i64 100, i32 %x), "bar"(float  0.000000e+00, i64 100, i32 %l) ]
+; CHECK: call void @callee0() [ "foo"(i32 42, i64 100, i32 %x), "bar"(float  0.000000e+00, i64 100, i32 %l) ]
+  ret void
+}
+
+define void @f1(i32* %ptr) {
+; CHECK-LABEL: @f1(
+ entry:
+  %l = load i32, i32* %ptr
+  %x = add i32 42, 1
+
+  call void @callee0()
+  call void @callee0() [ "foo"() ]
+  call void @callee0() [ "foo"(i32 42, i64 100, i32 %x), "bar"(float  0.000000e+00, i64 100, i32 %l) ]
+; CHECK: @callee0(){{$}}
+; CHECK-NEXT: call void @callee0() [ "foo"() ]
+; CHECK-NEXT: call void @callee0() [ "foo"(i32 42, i64 100, i32 %x), "bar"(float  0.000000e+00, i64 100, i32 %l) ]
+  ret void
+}
+
+define void @f2(i32* %ptr) {
+; CHECK-LABEL: @f2(
+ entry:
+  call void @callee0() [ "foo"() ]
+; CHECK: call void @callee0() [ "foo"() ]
+  ret void
+}
+
+define void @f3(i32* %ptr) {
+; CHECK-LABEL: @f3(
+ entry:
+  %l = load i32, i32* %ptr
+  %x = add i32 42, 1
+  call void @callee0() [ "foo"(i32 42, i64 100, i32 %x), "foo"(i32 42, float  0.000000e+00, i32 %l) ]
+; CHECK: call void @callee0() [ "foo"(i32 42, i64 100, i32 %x), "foo"(i32 42, float  0.000000e+00, i32 %l) ]
+  ret void
+}
+
+define void @f4(i32* %ptr) {
+; CHECK-LABEL: @f4(
+ entry:
+  %l = load i32, i32* %ptr
+  %x = add i32 42, 1
+  call void @callee1(i32 10, i32 %x) [ "foo"(i32 42, i64 100, i32 %x), "foo"(i32 42, float  0.000000e+00, i32 %l) ]
+; CHECK: call void @callee1(i32 10, i32 %x) [ "foo"(i32 42, i64 100, i32 %x), "foo"(i32 42, float  0.000000e+00, i32 %l) ]
+  ret void
+}
+
+; Invoke versions of the above tests:
+
+
+define void @g0(i32* %ptr) personality i8 3 {
+; CHECK-LABEL: @g0(
+ entry:
+  %l = load i32, i32* %ptr
+  %x = add i32 42, 1
+  invoke void @callee0() [ "foo"(i32 42, i64 100, i32 %x), "bar"(float  0.000000e+00, i64 100, i32 %l) ] to label %normal unwind label %exception
+; CHECK: invoke void @callee0() [ "foo"(i32 42, i64 100, i32 %x), "bar"(float  0.000000e+00, i64 100, i32 %l) ]
+
+exception:
+  %cleanup = landingpad i8 cleanup
+  br label %normal
+normal:
+  ret void
+}
+
+define void @g1(i32* %ptr) personality i8 3 {
+; CHECK-LABEL: @g1(
+ entry:
+  %l = load i32, i32* %ptr
+  %x = add i32 42, 1
+
+  invoke void @callee0() to label %normal unwind label %exception
+; CHECK: invoke void @callee0(){{$}}
+
+exception:
+  %cleanup = landingpad i8 cleanup
+  br label %normal
+
+normal:
+  invoke void @callee0() [ "foo"() ] to label %normal1 unwind label %exception1
+; CHECK: invoke void @callee0() [ "foo"() ]
+
+exception1:
+  %cleanup1 = landingpad i8 cleanup
+  br label %normal1
+
+normal1:
+  invoke void @callee0() [ "foo"(i32 42, i64 100, i32 %x), "foo"(i32 42, float  0.000000e+00, i32 %l) ] to label %normal2 unwind label %exception2
+; CHECK: invoke void @callee0() [ "foo"(i32 42, i64 100, i32 %x), "foo"(i32 42, float  0.000000e+00, i32 %l) ]
+
+exception2:
+  %cleanup2 = landingpad i8 cleanup
+  br label %normal2
+
+normal2:
+  ret void
+}
+
+define void @g2(i32* %ptr) personality i8 3 {
+; CHECK-LABEL: @g2(
+ entry:
+  invoke void @callee0() [ "foo"() ] to label %normal unwind label %exception
+; CHECK: invoke void @callee0() [ "foo"() ]
+
+exception:
+  %cleanup = landingpad i8 cleanup
+  br label %normal
+normal:
+  ret void
+}
+
+define void @g3(i32* %ptr) personality i8 3 {
+; CHECK-LABEL: @g3(
+ entry:
+  %l = load i32, i32* %ptr
+  %x = add i32 42, 1
+  invoke void @callee0() [ "foo"(i32 42, i64 100, i32 %x), "foo"(i32 42, float  0.000000e+00, i32 %l) ] to label %normal unwind label %exception
+; CHECK: invoke void @callee0() [ "foo"(i32 42, i64 100, i32 %x), "foo"(i32 42, float  0.000000e+00, i32 %l) ]
+
+exception:
+  %cleanup = landingpad i8 cleanup
+  br label %normal
+normal:
+  ret void
+}
+
+define void @g4(i32* %ptr) personality i8 3 {
+; CHECK-LABEL: @g4(
+ entry:
+  %l = load i32, i32* %ptr
+  %x = add i32 42, 1
+  invoke void @callee1(i32 10, i32 %x) [ "foo"(i32 42, i64 100, i32 %x), "foo"(i32 42, float  0.000000e+00, i32 %l) ]
+        to label %normal unwind label %exception
+; CHECK: invoke void @callee1(i32 10, i32 %x) [ "foo"(i32 42, i64 100, i32 %x), "foo"(i32 42, float  0.000000e+00, i32 %l) ]
+
+exception:
+  %cleanup = landingpad i8 cleanup
+  br label %normal
+normal:
+  ret void
+}
diff --git a/llvm/test/Verifier/operand-bundles.ll b/llvm/test/Verifier/operand-bundles.ll
new file mode 100644
index 00000000000..0aba61cccb8
--- /dev/null
+++ b/llvm/test/Verifier/operand-bundles.ll
@@ -0,0 +1,36 @@
+; RUN: not opt -verify < %s 2>&1 | FileCheck %s
+
+; Operand bundles uses are like regular uses, and need to be dominated
+; by their defs.
+
+declare void @g()
+
+define void @f0(i32* %ptr) {
+; CHECK: Instruction does not dominate all uses!
+; CHECK-NEXT:  %x = add i32 42, 1
+; CHECK-NEXT:  call void @g() [ "foo"(i32 42, i64 100, i32 %x), "bar"(float 0.000000e+00, i64 100, i32 %l) ]
+
+ entry:
+  %l = load i32, i32* %ptr
+  call void @g() [ "foo"(i32 42, i64 100, i32 %x), "bar"(float 0.0, i64 100, i32 %l) ]
+  %x = add i32 42, 1
+  ret void
+}
+
+define void @f1(i32* %ptr) personality i8 3 {
+; CHECK: Instruction does not dominate all uses!
+; CHECK-NEXT:  %x = add i32 42, 1
+; CHECK-NEXT:  invoke void @g() [ "foo"(i32 42, i64 100, i32 %x), "bar"(float 0.000000e+00, i64 100, i32 %l) ]
+
+ entry:
+  %l = load i32, i32* %ptr
+  invoke void @g() [ "foo"(i32 42, i64 100, i32 %x), "bar"(float 0.0, i64 100, i32 %l) ] to label %normal unwind label %exception
+
+exception:
+  %cleanup = landingpad i8 cleanup
+  br label %normal
+
+normal:
+  %x = add i32 42, 1
+  ret void
+}