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|
; Test how we handle eliding pointers in call instructions.
; RUN: llvm-as < %s | pnacl-freeze \
; RUN: | pnacl-bcanalyzer -dump-records \
; RUN: | FileCheck %s -check-prefix=PF2
; RUN: llvm-as < %s | pnacl-freeze | 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 @llvm.nacl.setjmp(i8* %i)
; ------------------------------------------------------
; Test how we handle a direct call.
define void @DirectCall() {
call void @foo(i32 0)
ret void
}
; 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.
; Pointer arguments are only allowed for intrinsic calls.
define void @DirectCallIntToPtrArg(i32 %i) {
%1 = inttoptr i32 %i to i8*
%2 = call i32 @llvm.nacl.setjmp(i8* %1)
ret void
}
; TD2: define void @DirectCallIntToPtrArg(i32 %i) {
; TD2-NEXT: %1 = inttoptr i32 %i to i8*
; TD2-NEXT: %2 = call i32 @llvm.nacl.setjmp(i8* %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.
; Pointer arguments are only allowed for intrinsic calls.
define void @DirectCallPtrToIntArg() {
%1 = alloca i8, i32 4, align 8
%2 = ptrtoint i8* %1 to i32
call void @foo(i32 %2)
ret void
}
; 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 i8*
%2 = call i32 @llvm.nacl.setjmp(i8* %1)
ret void
}
; TD2: define void @DirectCallBitcastArg(i32 %i) {
; TD2-NEXT: %1 = bitcast [4 x i8]* @bytes to i8*
; TD2-NEXT: %2 = call i32 @llvm.nacl.setjmp(i8* %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() {
%1 = ptrtoint [4 x i8]* @bytes to i32
call void @foo(i32 %1)
ret void
}
; TD2: define void @DirectCallScalarArg() {
; 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=13 op2=1/>
; 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
}
; 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=1 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
}
; TD2: define void @IndirectCallPtrToIntArg(i32 %i) {
; TD2-NEXT: %1 = alloca i8, i32 4, align 8
; TD2-NEXT: %2 = ptrtoint i8* %1 to i32
; TD2-NEXT: %3 = inttoptr i32 %i to void (i32)*
; TD2-NEXT: call void %3(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_INDIRECT op0=0 op1=3 op2=1 op3=1/>
; 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) {
%1 = inttoptr i32 %i to void (i32)*
%2 = ptrtoint [4 x i8]* @bytes to i32
call void %1(i32 %2)
ret void
}
; TD2: define void @IndirectCallScalarArg(i32 %i) {
; TD2-NEXT: %1 = ptrtoint [4 x i8]* @bytes to i32
; TD2-NEXT: %2 = inttoptr i32 %i to void (i32)*
; TD2-NEXT: call void %2(i32 %1)
; TD2-NEXT: ret void
; TD2-NEXT: }
; PF2: <FUNCTION_BLOCK>
; PF2-NEXT: <DECLAREBLOCKS op0=1/>
; PF2-NEXT: <INST_CALL_INDIRECT op0=0 op1=1 op2=1 op3=2/>
; PF2-NEXT: <INST_RET/>
; PF2: </FUNCTION_BLOCK>
; ------------------------------------------------------
; Test how we handle intrinsics that can return (inherent) pointers, and
; return statements that expect scalar values.
declare i8* @llvm.nacl.read.tp()
define i32 @ReturnPtrIntrinsic() {
%1 = call i8* @llvm.nacl.read.tp()
%2 = ptrtoint i8* %1 to i32
ret i32 %2
}
; TD2: define i32 @ReturnPtrIntrinsic() {
; TD2-NEXT: %1 = call i8* @llvm.nacl.read.tp()
; TD2-NEXT: %2 = ptrtoint i8* %1 to i32
; TD2-NEXT: ret i32 %2
; TD2-NEXT: }
; PF2: <FUNCTION_BLOCK>
; PF2-NEXT: <DECLAREBLOCKS op0=1/>
; PF2-NEXT: <INST_CALL op0=0 op1=3/>
; PF2-NEXT: <INST_RET op0=1/>
; PF2-NEXT: </FUNCTION_BLOCK>
|
