transform: update allocs test to opaque pointers
Also, rename most of the SSA values while we're at it.
Этот коммит содержится в:
Ayke van Laethem
Damian Gryski
родитель
db08b5aaa5
коммит
0ddd65658e
2 изменённых файлов: 53 добавлений и 69 удалений
62
transform/testdata/allocs.ll
предоставленный
62
transform/testdata/allocs.ll
предоставленный
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@ -3,57 +3,51 @@ target triple = "armv7m-none-eabi"
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@runtime.zeroSizedAlloc = internal global i8 0, align 1
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declare nonnull i8* @runtime.alloc(i32, i8*)
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declare nonnull ptr @runtime.alloc(i32, ptr)
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; Test allocating a single int (i32) that should be allocated on the stack.
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define void @testInt() {
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%1 = call i8* @runtime.alloc(i32 4, i8* null)
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%2 = bitcast i8* %1 to i32*
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store i32 5, i32* %2
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%alloc = call ptr @runtime.alloc(i32 4, ptr null)
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store i32 5, ptr %alloc
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ret void
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}
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; Test allocating an array of 3 i16 values that should be allocated on the
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; stack.
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define i16 @testArray() {
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%1 = call i8* @runtime.alloc(i32 6, i8* null)
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%2 = bitcast i8* %1 to i16*
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%3 = getelementptr i16, i16* %2, i32 1
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store i16 5, i16* %3
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%4 = getelementptr i16, i16* %2, i32 2
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%5 = load i16, i16* %4
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ret i16 %5
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%alloc = call ptr @runtime.alloc(i32 6, ptr null)
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%alloc.1 = getelementptr i16, ptr %alloc, i32 1
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store i16 5, ptr %alloc.1
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%alloc.2 = getelementptr i16, ptr %alloc, i32 2
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%val = load i16, ptr %alloc.2
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ret i16 %val
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}
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; Call a function that will let the pointer escape, so the heap-to-stack
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; transform shouldn't be applied.
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define void @testEscapingCall() {
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%1 = call i8* @runtime.alloc(i32 4, i8* null)
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%2 = bitcast i8* %1 to i32*
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%3 = call i32* @escapeIntPtr(i32* %2)
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%alloc = call ptr @runtime.alloc(i32 4, ptr null)
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%val = call ptr @escapeIntPtr(ptr %alloc)
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ret void
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}
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define void @testEscapingCall2() {
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%1 = call i8* @runtime.alloc(i32 4, i8* null)
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%2 = bitcast i8* %1 to i32*
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%3 = call i32* @escapeIntPtrSometimes(i32* %2, i32* %2)
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%alloc = call ptr @runtime.alloc(i32 4, ptr null)
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%val = call ptr @escapeIntPtrSometimes(ptr %alloc, ptr %alloc)
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ret void
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}
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; Call a function that doesn't let the pointer escape.
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define void @testNonEscapingCall() {
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%1 = call i8* @runtime.alloc(i32 4, i8* null)
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%2 = bitcast i8* %1 to i32*
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%3 = call i32* @noescapeIntPtr(i32* %2)
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%alloc = call ptr @runtime.alloc(i32 4, ptr null)
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%val = call ptr @noescapeIntPtr(ptr %alloc)
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ret void
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}
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; Return the allocated value, which lets it escape.
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define i32* @testEscapingReturn() {
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%1 = call i8* @runtime.alloc(i32 4, i8* null)
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%2 = bitcast i8* %1 to i32*
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ret i32* %2
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define ptr @testEscapingReturn() {
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%alloc = call ptr @runtime.alloc(i32 4, ptr null)
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ret ptr %alloc
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}
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; Do a non-escaping allocation in a loop.
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@ -61,25 +55,23 @@ define void @testNonEscapingLoop() {
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entry:
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br label %loop
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loop:
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%0 = call i8* @runtime.alloc(i32 4, i8* null)
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%1 = bitcast i8* %0 to i32*
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%2 = call i32* @noescapeIntPtr(i32* %1)
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%3 = icmp eq i32* null, %2
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br i1 %3, label %loop, label %end
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%alloc = call ptr @runtime.alloc(i32 4, ptr null)
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%ptr = call ptr @noescapeIntPtr(ptr %alloc)
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%result = icmp eq ptr null, %ptr
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br i1 %result, label %loop, label %end
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end:
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ret void
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}
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; Test a zero-sized allocation.
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define void @testZeroSizedAlloc() {
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%1 = call i8* @runtime.alloc(i32 0, i8* null)
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%2 = bitcast i8* %1 to i32*
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%3 = call i32* @noescapeIntPtr(i32* %2)
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%alloc = call ptr @runtime.alloc(i32 0, ptr null)
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%ptr = call ptr @noescapeIntPtr(ptr %alloc)
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ret void
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}
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declare i32* @escapeIntPtr(i32*)
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declare ptr @escapeIntPtr(ptr)
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declare i32* @noescapeIntPtr(i32* nocapture)
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declare ptr @noescapeIntPtr(ptr nocapture)
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declare i32* @escapeIntPtrSometimes(i32* nocapture, i32*)
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declare ptr @escapeIntPtrSometimes(ptr nocapture, ptr)
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60
transform/testdata/allocs.out.ll
предоставленный
60
transform/testdata/allocs.out.ll
предоставленный
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@ -3,53 +3,47 @@ target triple = "armv7m-none-eabi"
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@runtime.zeroSizedAlloc = internal global i8 0, align 1
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declare nonnull i8* @runtime.alloc(i32, i8*)
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declare nonnull ptr @runtime.alloc(i32, ptr)
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define void @testInt() {
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%stackalloc.alloca = alloca [4 x i8], align 4
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store [4 x i8] zeroinitializer, [4 x i8]* %stackalloc.alloca, align 4
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%stackalloc = bitcast [4 x i8]* %stackalloc.alloca to i32*
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store i32 5, i32* %stackalloc, align 4
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store [4 x i8] zeroinitializer, ptr %stackalloc.alloca, align 4
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store i32 5, ptr %stackalloc.alloca, align 4
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ret void
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}
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define i16 @testArray() {
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%stackalloc.alloca = alloca [6 x i8], align 2
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store [6 x i8] zeroinitializer, [6 x i8]* %stackalloc.alloca, align 2
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%stackalloc = bitcast [6 x i8]* %stackalloc.alloca to i16*
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%1 = getelementptr i16, i16* %stackalloc, i32 1
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store i16 5, i16* %1, align 2
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%2 = getelementptr i16, i16* %stackalloc, i32 2
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%3 = load i16, i16* %2, align 2
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ret i16 %3
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store [6 x i8] zeroinitializer, ptr %stackalloc.alloca, align 2
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%alloc.1 = getelementptr i16, ptr %stackalloc.alloca, i32 1
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store i16 5, ptr %alloc.1, align 2
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%alloc.2 = getelementptr i16, ptr %stackalloc.alloca, i32 2
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%val = load i16, ptr %alloc.2, align 2
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ret i16 %val
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}
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define void @testEscapingCall() {
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%1 = call i8* @runtime.alloc(i32 4, i8* null)
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%2 = bitcast i8* %1 to i32*
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%3 = call i32* @escapeIntPtr(i32* %2)
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%alloc = call ptr @runtime.alloc(i32 4, ptr null)
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%val = call ptr @escapeIntPtr(ptr %alloc)
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ret void
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}
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define void @testEscapingCall2() {
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%1 = call i8* @runtime.alloc(i32 4, i8* null)
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%2 = bitcast i8* %1 to i32*
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%3 = call i32* @escapeIntPtrSometimes(i32* %2, i32* %2)
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%alloc = call ptr @runtime.alloc(i32 4, ptr null)
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%val = call ptr @escapeIntPtrSometimes(ptr %alloc, ptr %alloc)
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ret void
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}
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define void @testNonEscapingCall() {
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%stackalloc.alloca = alloca [4 x i8], align 4
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store [4 x i8] zeroinitializer, [4 x i8]* %stackalloc.alloca, align 4
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%stackalloc = bitcast [4 x i8]* %stackalloc.alloca to i32*
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%1 = call i32* @noescapeIntPtr(i32* %stackalloc)
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store [4 x i8] zeroinitializer, ptr %stackalloc.alloca, align 4
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%val = call ptr @noescapeIntPtr(ptr %stackalloc.alloca)
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ret void
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}
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define i32* @testEscapingReturn() {
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%1 = call i8* @runtime.alloc(i32 4, i8* null)
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%2 = bitcast i8* %1 to i32*
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ret i32* %2
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define ptr @testEscapingReturn() {
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%alloc = call ptr @runtime.alloc(i32 4, ptr null)
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ret ptr %alloc
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}
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define void @testNonEscapingLoop() {
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@ -58,24 +52,22 @@ entry:
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br label %loop
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loop: ; preds = %loop, %entry
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store [4 x i8] zeroinitializer, [4 x i8]* %stackalloc.alloca, align 4
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%stackalloc = bitcast [4 x i8]* %stackalloc.alloca to i32*
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%0 = call i32* @noescapeIntPtr(i32* %stackalloc)
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%1 = icmp eq i32* null, %0
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br i1 %1, label %loop, label %end
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store [4 x i8] zeroinitializer, ptr %stackalloc.alloca, align 4
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%ptr = call ptr @noescapeIntPtr(ptr %stackalloc.alloca)
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%result = icmp eq ptr null, %ptr
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br i1 %result, label %loop, label %end
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end: ; preds = %loop
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ret void
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}
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define void @testZeroSizedAlloc() {
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%1 = bitcast i8* @runtime.zeroSizedAlloc to i32*
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%2 = call i32* @noescapeIntPtr(i32* %1)
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%ptr = call ptr @noescapeIntPtr(ptr @runtime.zeroSizedAlloc)
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ret void
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}
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declare i32* @escapeIntPtr(i32*)
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declare ptr @escapeIntPtr(ptr)
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declare i32* @noescapeIntPtr(i32* nocapture)
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declare ptr @noescapeIntPtr(ptr nocapture)
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declare i32* @escapeIntPtrSometimes(i32* nocapture, i32*)
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declare ptr @escapeIntPtrSometimes(ptr nocapture, ptr)
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