Ensure bitcode encoding of instructions and their operands stays stable.

This includes instructions that relate to memory access (load/store/GEP), comparison instructions and calls.

Work was done by lama.saba@intel.com.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@202647 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Michael Kuperstein 2014-03-02 15:26:36 +00:00
parent a4f0aad951
commit 3de6ee1ae6
6 changed files with 467 additions and 0 deletions

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; RUN: llvm-dis < %s.bc| FileCheck %s
; memOperations.3.2.ll.bc was generated by passing this file to llvm-as-3.2.
; The test checks that LLVM does not misread memory related instructions of
; older bitcode files.
define void @alloca(){
entry:
; CHECK: %res1 = alloca i8
%res1 = alloca i8
; CHECK-NEXT: %res2 = alloca i8, i32 2
%res2 = alloca i8, i32 2
; CHECK-NEXT: %res3 = alloca i8, i32 2, align 4
%res3 = alloca i8, i32 2, align 4
; CHECK-NEXT: %res4 = alloca i8, align 4
%res4 = alloca i8, align 4
ret void
}
define void @load(){
entry:
%ptr1 = alloca i8
store i8 2, i8* %ptr1
; CHECK: %res1 = load i8* %ptr1
%res1 = load i8* %ptr1
; CHECK-NEXT: %res2 = load volatile i8* %ptr1
%res2 = load volatile i8* %ptr1
; CHECK-NEXT: %res3 = load i8* %ptr1, align 1
%res3 = load i8* %ptr1, align 1
; CHECK-NEXT: %res4 = load volatile i8* %ptr1, align 1
%res4 = load volatile i8* %ptr1, align 1
; CHECK-NEXT: %res5 = load i8* %ptr1, !nontemporal !0
%res5 = load i8* %ptr1, !nontemporal !0
; CHECK-NEXT: %res6 = load volatile i8* %ptr1, !nontemporal !0
%res6 = load volatile i8* %ptr1, !nontemporal !0
; CHECK-NEXT: %res7 = load i8* %ptr1, align 1, !nontemporal !0
%res7 = load i8* %ptr1, align 1, !nontemporal !0
; CHECK-NEXT: %res8 = load volatile i8* %ptr1, align 1, !nontemporal !0
%res8 = load volatile i8* %ptr1, align 1, !nontemporal !0
; CHECK-NEXT: %res9 = load i8* %ptr1, !invariant.load !1
%res9 = load i8* %ptr1, !invariant.load !1
; CHECK-NEXT: %res10 = load volatile i8* %ptr1, !invariant.load !1
%res10 = load volatile i8* %ptr1, !invariant.load !1
; CHECK-NEXT: %res11 = load i8* %ptr1, align 1, !invariant.load !1
%res11 = load i8* %ptr1, align 1, !invariant.load !1
; CHECK-NEXT: %res12 = load volatile i8* %ptr1, align 1, !invariant.load !1
%res12 = load volatile i8* %ptr1, align 1, !invariant.load !1
; CHECK-NEXT: %res13 = load i8* %ptr1, {{[(!nontemporal !0, !invariant.load !1) | (!invariant.load !1, !nontemporal !0)]}}
%res13 = load i8* %ptr1, !nontemporal !0, !invariant.load !1
; CHECK-NEXT: %res14 = load volatile i8* %ptr1, {{[(!nontemporal !0, !invariant.load !1) | (!invariant.load !1, !nontemporal !0)]}}
%res14 = load volatile i8* %ptr1, !nontemporal !0, !invariant.load !1
; CHECK-NEXT: %res15 = load i8* %ptr1, align 1, {{[(!nontemporal !0, !invariant.load !1) | (!invariant.load !1, !nontemporal !0)]}}
%res15 = load i8* %ptr1, align 1, !nontemporal !0, !invariant.load !1
; CHECK-NEXT: %res16 = load volatile i8* %ptr1, align 1, {{[(!nontemporal !0, !invariant.load !1) | (!invariant.load !1, !nontemporal !0)]}}
%res16 = load volatile i8* %ptr1, align 1, !nontemporal !0, !invariant.load !1
ret void
}
define void @loadAtomic(){
entry:
%ptr1 = alloca i8
store i8 2, i8* %ptr1
; CHECK: %res1 = load atomic i8* %ptr1 unordered, align 1
%res1 = load atomic i8* %ptr1 unordered, align 1
; CHECK-NEXT: %res2 = load atomic i8* %ptr1 monotonic, align 1
%res2 = load atomic i8* %ptr1 monotonic, align 1
; CHECK-NEXT: %res3 = load atomic i8* %ptr1 acquire, align 1
%res3 = load atomic i8* %ptr1 acquire, align 1
; CHECK-NEXT: %res4 = load atomic i8* %ptr1 seq_cst, align 1
%res4 = load atomic i8* %ptr1 seq_cst, align 1
; CHECK-NEXT: %res5 = load atomic volatile i8* %ptr1 unordered, align 1
%res5 = load atomic volatile i8* %ptr1 unordered, align 1
; CHECK-NEXT: %res6 = load atomic volatile i8* %ptr1 monotonic, align 1
%res6 = load atomic volatile i8* %ptr1 monotonic, align 1
; CHECK-NEXT: %res7 = load atomic volatile i8* %ptr1 acquire, align 1
%res7 = load atomic volatile i8* %ptr1 acquire, align 1
; CHECK-NEXT: %res8 = load atomic volatile i8* %ptr1 seq_cst, align 1
%res8 = load atomic volatile i8* %ptr1 seq_cst, align 1
; CHECK-NEXT: %res9 = load atomic i8* %ptr1 singlethread unordered, align 1
%res9 = load atomic i8* %ptr1 singlethread unordered, align 1
; CHECK-NEXT: %res10 = load atomic i8* %ptr1 singlethread monotonic, align 1
%res10 = load atomic i8* %ptr1 singlethread monotonic, align 1
; CHECK-NEXT: %res11 = load atomic i8* %ptr1 singlethread acquire, align 1
%res11 = load atomic i8* %ptr1 singlethread acquire, align 1
; CHECK-NEXT: %res12 = load atomic i8* %ptr1 singlethread seq_cst, align 1
%res12 = load atomic i8* %ptr1 singlethread seq_cst, align 1
; CHECK-NEXT: %res13 = load atomic volatile i8* %ptr1 singlethread unordered, align 1
%res13 = load atomic volatile i8* %ptr1 singlethread unordered, align 1
; CHECK-NEXT: %res14 = load atomic volatile i8* %ptr1 singlethread monotonic, align 1
%res14 = load atomic volatile i8* %ptr1 singlethread monotonic, align 1
; CHECK-NEXT: %res15 = load atomic volatile i8* %ptr1 singlethread acquire, align 1
%res15 = load atomic volatile i8* %ptr1 singlethread acquire, align 1
; CHECK-NEXT: %res16 = load atomic volatile i8* %ptr1 singlethread seq_cst, align 1
%res16 = load atomic volatile i8* %ptr1 singlethread seq_cst, align 1
ret void
}
define void @store(){
entry:
%ptr1 = alloca i8
; CHECK: store i8 2, i8* %ptr1
store i8 2, i8* %ptr1
; CHECK-NEXT: store volatile i8 2, i8* %ptr1
store volatile i8 2, i8* %ptr1
; CHECK-NEXT: store i8 2, i8* %ptr1, align 1
store i8 2, i8* %ptr1, align 1
; CHECK-NEXT: store volatile i8 2, i8* %ptr1, align 1
store volatile i8 2, i8* %ptr1, align 1
; CHECK-NEXT: store i8 2, i8* %ptr1, !nontemporal !0
store i8 2, i8* %ptr1, !nontemporal !0
; CHECK-NEXT: store volatile i8 2, i8* %ptr1, !nontemporal !0
store volatile i8 2, i8* %ptr1, !nontemporal !0
; CHECK-NEXT: store i8 2, i8* %ptr1, align 1, !nontemporal !0
store i8 2, i8* %ptr1, align 1, !nontemporal !0
; CHECK-NEXT: store volatile i8 2, i8* %ptr1, align 1, !nontemporal !0
store volatile i8 2, i8* %ptr1, align 1, !nontemporal !0
ret void
}
define void @storeAtomic(){
entry:
%ptr1 = alloca i8
; CHECK: store atomic i8 2, i8* %ptr1 unordered, align 1
store atomic i8 2, i8* %ptr1 unordered, align 1
; CHECK-NEXT: store atomic i8 2, i8* %ptr1 monotonic, align 1
store atomic i8 2, i8* %ptr1 monotonic, align 1
; CHECK-NEXT: store atomic i8 2, i8* %ptr1 release, align 1
store atomic i8 2, i8* %ptr1 release, align 1
; CHECK-NEXT: store atomic i8 2, i8* %ptr1 seq_cst, align 1
store atomic i8 2, i8* %ptr1 seq_cst, align 1
; CHECK-NEXT: store atomic volatile i8 2, i8* %ptr1 unordered, align 1
store atomic volatile i8 2, i8* %ptr1 unordered, align 1
; CHECK-NEXT: store atomic volatile i8 2, i8* %ptr1 monotonic, align 1
store atomic volatile i8 2, i8* %ptr1 monotonic, align 1
; CHECK-NEXT: store atomic volatile i8 2, i8* %ptr1 release, align 1
store atomic volatile i8 2, i8* %ptr1 release, align 1
; CHECK-NEXT: store atomic volatile i8 2, i8* %ptr1 seq_cst, align 1
store atomic volatile i8 2, i8* %ptr1 seq_cst, align 1
; CHECK-NEXT: store atomic i8 2, i8* %ptr1 singlethread unordered, align 1
store atomic i8 2, i8* %ptr1 singlethread unordered, align 1
; CHECK-NEXT: store atomic i8 2, i8* %ptr1 singlethread monotonic, align 1
store atomic i8 2, i8* %ptr1 singlethread monotonic, align 1
; CHECK-NEXT: store atomic i8 2, i8* %ptr1 singlethread release, align 1
store atomic i8 2, i8* %ptr1 singlethread release, align 1
; CHECK-NEXT: store atomic i8 2, i8* %ptr1 singlethread seq_cst, align 1
store atomic i8 2, i8* %ptr1 singlethread seq_cst, align 1
; CHECK-NEXT: store atomic volatile i8 2, i8* %ptr1 singlethread unordered, align 1
store atomic volatile i8 2, i8* %ptr1 singlethread unordered, align 1
; CHECK-NEXT: store atomic volatile i8 2, i8* %ptr1 singlethread monotonic, align 1
store atomic volatile i8 2, i8* %ptr1 singlethread monotonic, align 1
; CHECK-NEXT: store atomic volatile i8 2, i8* %ptr1 singlethread release, align 1
store atomic volatile i8 2, i8* %ptr1 singlethread release, align 1
; CHECK-NEXT: store atomic volatile i8 2, i8* %ptr1 singlethread seq_cst, align 1
store atomic volatile i8 2, i8* %ptr1 singlethread seq_cst, align 1
ret void
}
define void @cmpxchg(i32* %ptr,i32 %cmp,i32 %new){
entry:
;cmpxchg [volatile] <ty>* <pointer>, <ty> <cmp>, <ty> <new> [singlethread] <ordering>
; CHECK: %res1 = cmpxchg i32* %ptr, i32 %cmp, i32 %new monotonic
%res1 = cmpxchg i32* %ptr, i32 %cmp, i32 %new monotonic
; CHECK-NEXT: %res2 = cmpxchg volatile i32* %ptr, i32 %cmp, i32 %new monotonic
%res2 = cmpxchg volatile i32* %ptr, i32 %cmp, i32 %new monotonic
; CHECK-NEXT: %res3 = cmpxchg i32* %ptr, i32 %cmp, i32 %new singlethread monotonic
%res3 = cmpxchg i32* %ptr, i32 %cmp, i32 %new singlethread monotonic
; CHECK-NEXT: %res4 = cmpxchg volatile i32* %ptr, i32 %cmp, i32 %new singlethread monotonic
%res4 = cmpxchg volatile i32* %ptr, i32 %cmp, i32 %new singlethread monotonic
; CHECK-NEXT: %res5 = cmpxchg i32* %ptr, i32 %cmp, i32 %new acquire
%res5 = cmpxchg i32* %ptr, i32 %cmp, i32 %new acquire
; CHECK-NEXT: %res6 = cmpxchg volatile i32* %ptr, i32 %cmp, i32 %new acquire
%res6 = cmpxchg volatile i32* %ptr, i32 %cmp, i32 %new acquire
; CHECK-NEXT: %res7 = cmpxchg i32* %ptr, i32 %cmp, i32 %new singlethread acquire
%res7 = cmpxchg i32* %ptr, i32 %cmp, i32 %new singlethread acquire
; CHECK-NEXT: %res8 = cmpxchg volatile i32* %ptr, i32 %cmp, i32 %new singlethread acquire
%res8 = cmpxchg volatile i32* %ptr, i32 %cmp, i32 %new singlethread acquire
; CHECK-NEXT: %res9 = cmpxchg i32* %ptr, i32 %cmp, i32 %new release
%res9 = cmpxchg i32* %ptr, i32 %cmp, i32 %new release
; CHECK-NEXT: %res10 = cmpxchg volatile i32* %ptr, i32 %cmp, i32 %new release
%res10 = cmpxchg volatile i32* %ptr, i32 %cmp, i32 %new release
; CHECK-NEXT: %res11 = cmpxchg i32* %ptr, i32 %cmp, i32 %new singlethread release
%res11 = cmpxchg i32* %ptr, i32 %cmp, i32 %new singlethread release
; CHECK-NEXT: %res12 = cmpxchg volatile i32* %ptr, i32 %cmp, i32 %new singlethread release
%res12 = cmpxchg volatile i32* %ptr, i32 %cmp, i32 %new singlethread release
; CHECK-NEXT: %res13 = cmpxchg i32* %ptr, i32 %cmp, i32 %new acq_rel
%res13 = cmpxchg i32* %ptr, i32 %cmp, i32 %new acq_rel
; CHECK-NEXT: %res14 = cmpxchg volatile i32* %ptr, i32 %cmp, i32 %new acq_rel
%res14 = cmpxchg volatile i32* %ptr, i32 %cmp, i32 %new acq_rel
; CHECK-NEXT: %res15 = cmpxchg i32* %ptr, i32 %cmp, i32 %new singlethread acq_rel
%res15 = cmpxchg i32* %ptr, i32 %cmp, i32 %new singlethread acq_rel
; CHECK-NEXT: %res16 = cmpxchg volatile i32* %ptr, i32 %cmp, i32 %new singlethread acq_rel
%res16 = cmpxchg volatile i32* %ptr, i32 %cmp, i32 %new singlethread acq_rel
; CHECK-NEXT: %res17 = cmpxchg i32* %ptr, i32 %cmp, i32 %new seq_cst
%res17 = cmpxchg i32* %ptr, i32 %cmp, i32 %new seq_cst
; CHECK-NEXT: %res18 = cmpxchg volatile i32* %ptr, i32 %cmp, i32 %new seq_cst
%res18 = cmpxchg volatile i32* %ptr, i32 %cmp, i32 %new seq_cst
; CHECK-NEXT: %res19 = cmpxchg i32* %ptr, i32 %cmp, i32 %new singlethread seq_cst
%res19 = cmpxchg i32* %ptr, i32 %cmp, i32 %new singlethread seq_cst
; CHECK-NEXT: %res20 = cmpxchg volatile i32* %ptr, i32 %cmp, i32 %new singlethread seq_cst
%res20 = cmpxchg volatile i32* %ptr, i32 %cmp, i32 %new singlethread seq_cst
ret void
}
define void @getelementptr({i8, i8}* %s, <4 x i8*> %ptrs, <4 x i64> %offsets ){
entry:
; CHECK: %res1 = getelementptr { i8, i8 }* %s, i32 1, i32 1
%res1 = getelementptr {i8, i8}* %s, i32 1, i32 1
; CHECK-NEXT: %res2 = getelementptr inbounds { i8, i8 }* %s, i32 1, i32 1
%res2 = getelementptr inbounds {i8, i8}* %s, i32 1, i32 1
; CHECK-NEXT: %res3 = getelementptr <4 x i8*> %ptrs, <4 x i64> %offsets
%res3 = getelementptr <4 x i8*> %ptrs, <4 x i64> %offsets
ret void
}
!0 = metadata !{ i32 1 }
!1 = metadata !{}

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; RUN: llvm-dis < %s.bc| FileCheck %s
; miscInstructions.3.2.ll.bc was generated by passing this file to llvm-as-3.2.
; The test checks that LLVM does not misread miscellaneous instructions of
; older bitcode files.
define void @icmp(i32 %x1, i32 %x2, i32* %ptr1, i32* %ptr2, <2 x i32> %vec1, <2 x i32> %vec2){
entry:
; CHECK: %res1 = icmp eq i32 %x1, %x2
%res1 = icmp eq i32 %x1, %x2
; CHECK-NEXT: %res2 = icmp ne i32 %x1, %x2
%res2 = icmp ne i32 %x1, %x2
; CHECK-NEXT: %res3 = icmp ugt i32 %x1, %x2
%res3 = icmp ugt i32 %x1, %x2
; CHECK-NEXT: %res4 = icmp uge i32 %x1, %x2
%res4 = icmp uge i32 %x1, %x2
; CHECK-NEXT: %res5 = icmp ult i32 %x1, %x2
%res5 = icmp ult i32 %x1, %x2
; CHECK-NEXT: %res6 = icmp ule i32 %x1, %x2
%res6 = icmp ule i32 %x1, %x2
; CHECK-NEXT: %res7 = icmp sgt i32 %x1, %x2
%res7 = icmp sgt i32 %x1, %x2
; CHECK-NEXT: %res8 = icmp sge i32 %x1, %x2
%res8 = icmp sge i32 %x1, %x2
; CHECK-NEXT: %res9 = icmp slt i32 %x1, %x2
%res9 = icmp slt i32 %x1, %x2
; CHECK-NEXT: %res10 = icmp sle i32 %x1, %x2
%res10 = icmp sle i32 %x1, %x2
; CHECK-NEXT: %res11 = icmp eq i32* %ptr1, %ptr2
%res11 = icmp eq i32* %ptr1, %ptr2
; CHECK-NEXT: %res12 = icmp eq <2 x i32> %vec1, %vec2
%res12 = icmp eq <2 x i32> %vec1, %vec2
ret void
}
define void @fcmp(float %x1, float %x2, <2 x float> %vec1, <2 x float> %vec2){
entry:
; CHECK: %res1 = fcmp oeq float %x1, %x2
%res1 = fcmp oeq float %x1, %x2
; CHECK-NEXT: %res2 = fcmp one float %x1, %x2
%res2 = fcmp one float %x1, %x2
; CHECK-NEXT: %res3 = fcmp ugt float %x1, %x2
%res3 = fcmp ugt float %x1, %x2
; CHECK-NEXT: %res4 = fcmp uge float %x1, %x2
%res4 = fcmp uge float %x1, %x2
; CHECK-NEXT: %res5 = fcmp ult float %x1, %x2
%res5 = fcmp ult float %x1, %x2
; CHECK-NEXT: %res6 = fcmp ule float %x1, %x2
%res6 = fcmp ule float %x1, %x2
; CHECK-NEXT: %res7 = fcmp ogt float %x1, %x2
%res7 = fcmp ogt float %x1, %x2
; CHECK-NEXT: %res8 = fcmp oge float %x1, %x2
%res8 = fcmp oge float %x1, %x2
; CHECK-NEXT: %res9 = fcmp olt float %x1, %x2
%res9 = fcmp olt float %x1, %x2
; CHECK-NEXT: %res10 = fcmp ole float %x1, %x2
%res10 = fcmp ole float %x1, %x2
; CHECK-NEXT: %res11 = fcmp ord float %x1, %x2
%res11 = fcmp ord float %x1, %x2
; CHECK-NEXT: %res12 = fcmp ueq float %x1, %x2
%res12 = fcmp ueq float %x1, %x2
; CHECK-NEXT: %res13 = fcmp une float %x1, %x2
%res13 = fcmp une float %x1, %x2
; CHECK-NEXT: %res14 = fcmp uno float %x1, %x2
%res14 = fcmp uno float %x1, %x2
; CHECK-NEXT: %res15 = fcmp true float %x1, %x2
%res15 = fcmp true float %x1, %x2
; CHECK-NEXT: %res16 = fcmp false float %x1, %x2
%res16 = fcmp false float %x1, %x2
; CHECK-NEXT: %res17 = fcmp oeq <2 x float> %vec1, %vec2
%res17 = fcmp oeq <2 x float> %vec1, %vec2
ret void
}
declare i32 @printf(i8* noalias nocapture, ...)
define void @call(i32 %x, i8* %msg ){
entry:
; CHECK: %res1 = call i32 @test(i32 %x)
%res1 = call i32 @test(i32 %x)
; CHECK-NEXT: %res2 = tail call i32 @test(i32 %x)
%res2 = tail call i32 @test(i32 %x)
; CHECK-NEXT: %res3 = call i32 (i8*, ...)* @printf(i8* %msg, i32 12, i8 42)
%res3 = call i32 (i8*, ...)* @printf(i8* %msg, i32 12, i8 42)
ret void
}
define i32 @test(i32 %x){
entry:
ret i32 %x
}

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; RUN: llvm-dis < %s.bc| FileCheck %s
; vaArgIntrinsic.3.2.ll.bc was generated by passing this file to llvm-as-3.2.
; The test checks that LLVM does not misread variable argument intrinsic instructions
; of older bitcode files.
define i32 @varArgIntrinsic(i32 %X, ...) {
%ap = alloca i8*
%ap2 = bitcast i8** %ap to i8*
; CHECK: call void @llvm.va_start(i8* %ap2)
call void @llvm.va_start(i8* %ap2)
; CHECK-NEXT: %tmp = va_arg i8** %ap, i32
%tmp = va_arg i8** %ap, i32
%aq = alloca i8*
%aq2 = bitcast i8** %aq to i8*
; CHECK: call void @llvm.va_copy(i8* %aq2, i8* %ap2)
call void @llvm.va_copy(i8* %aq2, i8* %ap2)
; CHECK-NEXT: call void @llvm.va_end(i8* %aq2)
call void @llvm.va_end(i8* %aq2)
; CHECK-NEXT: call void @llvm.va_end(i8* %ap2)
call void @llvm.va_end(i8* %ap2)
ret i32 %tmp
}
declare void @llvm.va_start(i8*)
declare void @llvm.va_copy(i8*, i8*)
declare void @llvm.va_end(i8*)

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