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-rw-r--r--test/NaCl/Bitcode/call-elide.ll391
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diff --git a/test/NaCl/Bitcode/call-elide.ll b/test/NaCl/Bitcode/call-elide.ll
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+++ b/test/NaCl/Bitcode/call-elide.ll
@@ -0,0 +1,391 @@
+; Test how we handle eliding pointers in call instructions.
+
+; RUN: llvm-as < %s | pnacl-freeze --pnacl-version=1 \
+; RUN: | pnacl-bcanalyzer -dump-records \
+; RUN: | FileCheck %s -check-prefix=PF1
+
+; RUN: llvm-as < %s | pnacl-freeze --pnacl-version=1 | pnacl-thaw \
+; RUN: | llvm-dis - | FileCheck %s -check-prefix=TD1
+
+; RUN: llvm-as < %s | pnacl-freeze --pnacl-version=2 \
+; RUN: | pnacl-bcanalyzer -dump-records \
+; RUN: | FileCheck %s -check-prefix=PF2
+
+; RUN: llvm-as < %s | pnacl-freeze --pnacl-version=2 | pnacl-thaw \
+; RUN: | llvm-dis - | FileCheck %s -check-prefix=TD2
+
+; ------------------------------------------------------
+; Define some global functions/variables to be used in testing.
+
+
+@bytes = internal global [4 x i8] c"abcd"
+declare void @foo(i32 %i)
+declare i32 @bar(i32* %i)
+
+; ------------------------------------------------------
+; Test how we handle a direct call.
+
+define void @DirectCall() {
+ call void @foo(i32 0)
+ ret void
+}
+
+; TD1: define void @DirectCall() {
+; TD1-NEXT: call void @foo(i32 0)
+; TD1-NEXT: ret void
+; TD1-NEXT: }
+
+; PF1: <FUNCTION_BLOCK>
+; PF1: </CONSTANTS_BLOCK>
+; PF1-NEXT: <INST_CALL op0=0 op1=14 op2=1/>
+; PF1-NEXT: <INST_RET/>
+; PF1-NEXT: </FUNCTION_BLOCK>
+
+; TD2: define void @DirectCall() {
+; TD2-NEXT: call void @foo(i32 0)
+; TD2-NEXT: ret void
+; TD2-NEXT: }
+
+; PF2: <FUNCTION_BLOCK>
+; PF2: </CONSTANTS_BLOCK>
+; PF2-NEXT: <INST_CALL op0=0 op1=14 op2=1/>
+; PF2-NEXT: <INST_RET/>
+; PF2-NEXT: </FUNCTION_BLOCK>
+
+; ------------------------------------------------------
+; Test how we handle a direct call with a normalized inttoptr argument.
+; Note: This code doesn't follow the PNaCl ABI in that function
+; calls can't get pointer arguments. However, intrinsic calls can, and
+; this code is a placeholder for such a test.
+
+define void @DirectCallIntToPtrArg(i32 %i) {
+ %1 = inttoptr i32 %i to i32*
+ %2 = call i32 @bar(i32* %1)
+ ret void
+}
+
+; TD1: define void @DirectCallIntToPtrArg(i32 %i) {
+; TD1-NEXT: %1 = inttoptr i32 %i to i32*
+; TD1-NEXT: %2 = call i32 @bar(i32* %1)
+; TD1-NEXT: ret void
+; TD1-NEXT: }
+
+; PF1: <FUNCTION_BLOCK>
+; PF1-NEXT: <DECLAREBLOCKS op0=1/>
+; PF1-NEXT: <INST_CAST op0=1 op1=4 op2=10/>
+; PF1-NEXT: <INST_CALL op0=0 op1=14 op2=1/>
+; PF1-NEXT: <INST_RET/>
+; PF1: </FUNCTION_BLOCK>
+
+; TD2: define void @DirectCallIntToPtrArg(i32 %i) {
+; TD2-NEXT: %1 = inttoptr i32 %i to i32*
+; TD2-NEXT: %2 = call i32 @bar(i32* %1)
+; TD2-NEXT: ret void
+; TD2-NEXT: }
+
+; PF2: <FUNCTION_BLOCK>
+; PF2-NEXT: <DECLAREBLOCKS op0=1/>
+; PF2-NEXT: <INST_CALL op0=0 op1=13 op2=1/>
+; PF2-NEXT: <INST_RET/>
+; PF2: </FUNCTION_BLOCK>
+
+; ------------------------------------------------------
+; Test how we handle a direct call with a normalized ptroint argument.
+
+define void @DirectCallPtrToIntArg() {
+ %1 = alloca i8, i32 4, align 8
+ %2 = ptrtoint i8* %1 to i32
+ call void @foo(i32 %2)
+ ret void
+}
+
+; TD1: define void @DirectCallPtrToIntArg() {
+; TD1-NEXT: %1 = alloca i8, i32 4, align 8
+; TD1-NEXT: %2 = ptrtoint i8* %1 to i32
+; TD1-NEXT: call void @foo(i32 %2)
+; TD1-NEXT: ret void
+; TD1-NEXT: }
+
+; PF1: <FUNCTION_BLOCK>
+; PF1: </CONSTANTS_BLOCK>
+; PF1-NEXT: <INST_ALLOCA op0=1 op1=4/>
+; PF1-NEXT: <INST_CAST op0=1 op1=0 op2=9/>
+; PF1-NEXT: <INST_CALL op0=0 op1=16 op2=1/>
+; PF1-NEXT: <INST_RET/>
+; PF1-NEXT: </FUNCTION_BLOCK>
+
+; TD2: define void @DirectCallPtrToIntArg() {
+; TD2-NEXT: %1 = alloca i8, i32 4, align 8
+; TD2-NEXT: %2 = ptrtoint i8* %1 to i32
+; TD2-NEXT: call void @foo(i32 %2)
+; TD2-NEXT: ret void
+; TD2-NEXT: }
+
+; PF2: <FUNCTION_BLOCK>
+; PF2: </CONSTANTS_BLOCK>
+; PF2-NEXT: <INST_ALLOCA op0=1 op1=4/>
+; PF2-NEXT: <INST_CALL op0=0 op1=15 op2=1/>
+; PF2-NEXT: <INST_RET/>
+; PF2-NEXT: </FUNCTION_BLOCK>
+
+; ------------------------------------------------------
+; Test how we handle a direct call with a normalized bitcast argument.
+
+define void @DirectCallBitcastArg(i32 %i) {
+ %1 = bitcast [4 x i8]* @bytes to i32*
+ %2 = call i32 @bar(i32* %1)
+ ret void
+}
+
+; TD1: define void @DirectCallBitcastArg(i32 %i) {
+; TD1-NEXT: %1 = bitcast [4 x i8]* @bytes to i32*
+; TD1-NEXT: %2 = call i32 @bar(i32* %1)
+; TD1-NEXT: ret void
+; TD1-NEXT: }
+
+; PF1: <FUNCTION_BLOCK>
+; PF1-NEXT: <DECLAREBLOCKS op0=1/>
+; PF1-NEXT: <INST_CAST op0=2 op1=4 op2=11/>
+; PF1-NEXT: <INST_CALL op0=0 op1=14 op2=1/>
+; PF1-NEXT: <INST_RET/>
+; PF1: </FUNCTION_BLOCK>
+
+; TD2: define void @DirectCallBitcastArg(i32 %i) {
+; TD2-NEXT: %1 = bitcast [4 x i8]* @bytes to i32*
+; TD2-NEXT: %2 = call i32 @bar(i32* %1)
+; TD2-NEXT: ret void
+; TD2-NEXT: }
+
+; PF2: <FUNCTION_BLOCK>
+; PF2-NEXT: <DECLAREBLOCKS op0=1/>
+; PF2-NEXT: <INST_CALL op0=0 op1=13 op2=2/>
+; PF2-NEXT: <INST_RET/>
+; PF2: </FUNCTION_BLOCK>
+
+; ------------------------------------------------------
+; Test how we handle a direct call with a pointer to scalar conversion.
+
+define void @DirectCallScalarArg(i32* %ptr) {
+ %1 = ptrtoint [4 x i8]* @bytes to i32
+ call void @foo(i32 %1)
+ ret void
+}
+
+; TD1: define void @DirectCallScalarArg(i32* %ptr) {
+; TD1-NEXT: %1 = ptrtoint [4 x i8]* @bytes to i32
+; TD1-NEXT: call void @foo(i32 %1)
+; TD1-NEXT: ret void
+; TD1-NEXT: }
+
+; PF1: <FUNCTION_BLOCK>
+; PF1-NEXT: <DECLAREBLOCKS op0=1/>
+; PF1-NEXT: <INST_CAST op0=2 op1=0 op2=9/>
+; PF1-NEXT: <INST_CALL op0=0 op1=15 op2=1/>
+; PF1-NEXT: <INST_RET/>
+; PF1: </FUNCTION_BLOCK>
+
+; TD2: define void @DirectCallScalarArg(i32* %ptr) {
+; TD2-NEXT: %1 = ptrtoint [4 x i8]* @bytes to i32
+; TD2-NEXT: call void @foo(i32 %1)
+; TD2-NEXT: ret void
+; TD2-NEXT: }
+
+; PF2: <FUNCTION_BLOCK>
+; PF2-NEXT: <DECLAREBLOCKS op0=1/>
+; PF2-NEXT: <INST_CALL op0=0 op1=14 op2=2/>
+; PF2-NEXT: <INST_RET/>
+; PF2: </FUNCTION_BLOCK>
+
+; ------------------------------------------------------
+; Test how we handle an indirect call.
+
+define void @IndirectCall(i32 %i) {
+ %1 = inttoptr i32 %i to void (i32)*
+ call void %1(i32 %i)
+ ret void
+}
+
+; TD1: define void @IndirectCall(i32 %i) {
+; TD1-NEXT: %1 = inttoptr i32 %i to void (i32)*
+; TD1-NEXT: call void %1(i32 %i)
+; TD1-NEXT: ret void
+; TD1-NEXT: }
+
+; PF1: <FUNCTION_BLOCK>
+; PF1-NEXT: <DECLAREBLOCKS op0=1/>
+; PF1-NEXT: <INST_CAST op0=1 op1=3 op2=10/>
+; PF1-NEXT: <INST_CALL op0=0 op1=1 op2=2/>
+; PF1-NEXT: <INST_RET/>
+; PF1: </FUNCTION_BLOCK>
+
+; TD2: define void @IndirectCall(i32 %i) {
+; TD2-NEXT: %1 = inttoptr i32 %i to void (i32)*
+; TD2-NEXT: call void %1(i32 %i)
+; TD2-NEXT: ret void
+; TD2-NEXT: }
+
+; PF2: <FUNCTION_BLOCK>
+; PF2-NEXT: <DECLAREBLOCKS op0=1/>
+; PF2-NEXT: <INST_CALL_INDIRECT op0=0 op1=1 op2=2 op3=1/>
+; PF2-NEXT: <INST_RET/>
+; PF2: </FUNCTION_BLOCK>
+
+; ------------------------------------------------------
+; Test how we handle an indirect call with a normalized ptrtoint argument.
+
+define void @IndirectCallPtrToIntArg(i32 %i) {
+ %1 = alloca i8, i32 4, align 8
+ %2 = inttoptr i32 %i to void (i32)*
+ %3 = ptrtoint i8* %1 to i32
+ call void %2(i32 %3)
+ ret void
+}
+
+; TD1: define void @IndirectCallPtrToIntArg(i32 %i) {
+; TD1-NEXT: %1 = alloca i8, i32 4, align 8
+; TD1-NEXT: %2 = inttoptr i32 %i to void (i32)*
+; TD1-NEXT: %3 = ptrtoint i8* %1 to i32
+; TD1-NEXT: call void %2(i32 %3)
+; TD1-NEXT: ret void
+; TD1-NEXT: }
+
+; PF1: <FUNCTION_BLOCK>
+; PF1: </CONSTANTS_BLOCK>
+; PF1-NEXT: <INST_ALLOCA op0=1 op1=4/>
+; PF1-NEXT: <INST_CAST op0=3 op1=3 op2=10/>
+; PF1-NEXT: <INST_CAST op0=2 op1=0 op2=9/>
+; PF1-NEXT: <INST_CALL op0=0 op1=2 op2=1/>
+; PF1-NEXT: <INST_RET/>
+; PF1: </FUNCTION_BLOCK>
+
+; TD2: define void @IndirectCallPtrToIntArg(i32 %i) {
+; TD2-NEXT: %1 = alloca i8, i32 4, align 8
+; TD2-NEXT: %2 = inttoptr i32 %i to void (i32)*
+; TD2-NEXT: %3 = ptrtoint i8* %1 to i32
+; TD2-NEXT: call void %2(i32 %3)
+; TD2-NEXT: ret void
+; TD2-NEXT: }
+
+; PF2: <FUNCTION_BLOCK>
+; PF2: </CONSTANTS_BLOCK>
+; PF2-NEXT: <INST_ALLOCA op0=1 op1=4/>
+; PF2-NEXT: <INST_CALL_INDIRECT op0=0 op1=3 op2=2 op3=1/>
+; PF2-NEXT: <INST_RET/>
+; PF2: </FUNCTION_BLOCK>
+
+; ------------------------------------------------------
+; Test how we handle a direct call with a normalized inttoptr argument.
+; Note: This code doesn't follow the PNaCl ABI in that function
+; calls can't get pointer arguments. However, intrinsic calls can, and
+; this code is a placeholder for such a test.
+
+define void @IndirectCallIntToPtrArg(i32 %i) {
+ %1 = inttoptr i32 %i to i32 (i32*)*
+ %2 = inttoptr i32 %i to i32*
+ %3 = call i32 %1(i32* %2)
+ ret void
+}
+
+; TD1: define void @IndirectCallIntToPtrArg(i32 %i) {
+; TD1-NEXT: %1 = inttoptr i32 %i to i32 (i32*)*
+; TD1-NEXT: %2 = inttoptr i32 %i to i32*
+; TD1-NEXT: %3 = call i32 %1(i32* %2)
+; TD1-NEXT: ret void
+; TD1-NEXT: }
+
+; PF1: <FUNCTION_BLOCK>
+; PF1-NEXT: <DECLAREBLOCKS op0=1/>
+; PF1-NEXT: <INST_CAST op0=1 op1=6 op2=10/>
+; PF1-NEXT: <INST_CAST op0=2 op1=4 op2=10/>
+; PF1-NEXT: <INST_CALL op0=0 op1=2 op2=1/>
+; PF1-NEXT: <INST_RET/>
+; PF1: </FUNCTION_BLOCK>
+
+; TD2: define void @IndirectCallIntToPtrArg(i32 %i) {
+; TD2-NEXT: %1 = inttoptr i32 %i to i32 (i32*)*
+; TD2-NEXT: %2 = inttoptr i32 %i to i32*
+; TD2-NEXT: %3 = call i32 %1(i32* %2)
+; TD2-NEXT: ret void
+; TD2-NEXT: }
+
+; PF2: <FUNCTION_BLOCK>
+; PF2-NEXT: <DECLAREBLOCKS op0=1/>
+; PF2-NEXT: <INST_CALL_INDIRECT op0=0 op1=1 op2=5 op3=1/>
+; PF2-NEXT: <INST_RET/>
+; PF2: </FUNCTION_BLOCK>
+
+; ------------------------------------------------------
+; Test how we handle an indirect call with a normalized bitcast argument.
+
+define void @IndirectCallBitcastArg(i32 %i) {
+ %1 = inttoptr i32 %i to i32 (i32*)*
+ %2 = bitcast [4 x i8]* @bytes to i32*
+ %3 = call i32 %1(i32* %2)
+ ret void
+}
+
+; TD1: define void @IndirectCallBitcastArg(i32 %i) {
+; TD1-NEXT: %1 = inttoptr i32 %i to i32 (i32*)*
+; TD1-NEXT: %2 = bitcast [4 x i8]* @bytes to i32*
+; TD1-NEXT: %3 = call i32 %1(i32* %2)
+; TD1-NEXT: ret void
+; TD1-NEXT: }
+
+; PF1: <FUNCTION_BLOCK>
+; PF1-NEXT: <DECLAREBLOCKS op0=1/>
+; PF1-NEXT: <INST_CAST op0=1 op1=6 op2=10/>
+; PF1-NEXT: <INST_CAST op0=3 op1=4 op2=11/>
+; PF1-NEXT: <INST_CALL op0=0 op1=2 op2=1/>
+; PF1-NEXT: <INST_RET/>
+; PF1: </FUNCTION_BLOCK>
+
+; TD2: define void @IndirectCallBitcastArg(i32 %i) {
+; TD2-NEXT: %1 = inttoptr i32 %i to i32 (i32*)*
+; TD2-NEXT: %2 = bitcast [4 x i8]* @bytes to i32*
+; TD2-NEXT: %3 = call i32 %1(i32* %2)
+; TD2-NEXT: ret void
+; TD2-NEXT: }
+
+; PF2: <FUNCTION_BLOCK>
+; PF2-NEXT: <DECLAREBLOCKS op0=1/>
+; PF2-NEXT: <INST_CALL_INDIRECT op0=0 op1=1 op2=5 op3=2/>
+; PF2-NEXT: <INST_RET/>
+; PF2: </FUNCTION_BLOCK>
+
+; ------------------------------------------------------
+; Test how we handle an indirect call with a pointer to scalar conversion.
+
+define void @IndirectCallScalarArg(i32 %i, i32* %ptr) {
+ %1 = inttoptr i32 %i to void (i32)*
+ %2 = ptrtoint [4 x i8]* @bytes to i32
+ call void %1(i32 %2)
+ ret void
+}
+
+; TD1: define void @IndirectCallScalarArg(i32 %i, i32* %ptr) {
+; TD1-NEXT: %1 = inttoptr i32 %i to void (i32)*
+; TD1-NEXT: %2 = ptrtoint [4 x i8]* @bytes to i32
+; TD1-NEXT: call void %1(i32 %2)
+; TD1-NEXT: ret void
+; TD1-NEXT: }
+
+; PF1: <FUNCTION_BLOCK>
+; PF1-NEXT: <DECLAREBLOCKS op0=1/>
+; PF1-NEXT: <INST_CAST op0=2 op1=3 op2=10/>
+; PF1-NEXT: <INST_CAST op0=4 op1=0 op2=9/>
+; PF1-NEXT: <INST_CALL op0=0 op1=2 op2=1/>
+; PF1-NEXT: <INST_RET/>
+; PF1: </FUNCTION_BLOCK>
+
+; TD2: define void @IndirectCallScalarArg(i32 %i, i32* %ptr) {
+; TD2-NEXT: %1 = inttoptr i32 %i to void (i32)*
+; TD2-NEXT: %2 = ptrtoint [4 x i8]* @bytes to i32
+; TD2-NEXT: call void %1(i32 %2)
+; TD2-NEXT: ret void
+; TD2-NEXT: }
+
+; PF2: <FUNCTION_BLOCK>
+; PF2-NEXT: <DECLAREBLOCKS op0=1/>
+; PF2-NEXT: <INST_CALL_INDIRECT op0=0 op1=2 op2=2 op3=3/>
+; PF2-NEXT: <INST_RET/>
+; PF2: </FUNCTION_BLOCK>