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Unified Diff: tests_lit/llvm2ice_tests/convert.ll

Issue 205613002: Initial skeleton of Subzero. (Closed) Base URL: https://gerrit.chromium.org/gerrit/p/native_client/pnacl-subzero.git@master
Patch Set: Address Mark's layout/style comments Created 6 years, 9 months ago
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Index: tests_lit/llvm2ice_tests/convert.ll
diff --git a/tests_lit/llvm2ice_tests/convert.ll b/tests_lit/llvm2ice_tests/convert.ll
new file mode 100644
index 0000000000000000000000000000000000000000..53a1de4391466144a9c7a288655f33338c8571c7
--- /dev/null
+++ b/tests_lit/llvm2ice_tests/convert.ll
@@ -0,0 +1,180 @@
+; RUIN: %llvm2ice %s | FileCheck %s
+; RUIN: %llvm2ice --verbose none %s | FileCheck --check-prefix=ERRORS %s
+; RUN: %szdiff --llvm2ice=%llvm2ice %s | FileCheck --check-prefix=DUMP %s
+
+@i8v = common global i8 0, align 1
+@i16v = common global i16 0, align 2
+@i32v = common global i32 0, align 4
+@i64v = common global i64 0, align 8
+@u8v = common global i8 0, align 1
+@u16v = common global i16 0, align 2
+@u32v = common global i32 0, align 4
+@u64v = common global i64 0, align 8
+@i1 = common global i32 0, align 4
+@i2 = common global i32 0, align 4
+@u1 = common global i32 0, align 4
+@u2 = common global i32 0, align 4
+
+define void @from_int8() {
+entry:
+ %v0 = load i8* @i8v, align 1
+ %v1 = sext i8 %v0 to i16
+ store i16 %v1, i16* @i16v, align 1
+ %v2 = sext i8 %v0 to i32
+ store i32 %v2, i32* @i32v, align 1
+ %v3 = sext i8 %v0 to i64
+ store i64 %v3, i64* @i64v, align 1
+ ret void
+ ; CHECK: mov al, byte ptr [
+ ; CHECK-NEXT: movsx cx, al
+ ; CHECK-NEXT: mov word ptr [
+ ; CHECK-NEXT: movsx ecx, al
+ ; CHECK-NEXT: mov dword ptr [
+ ; CHECK-NEXT: movsx ecx, al
+ ; CHECK-NEXT: sar eax, 31
+ ; CHECK-NEXT: mov dword ptr [i64v+4],
+ ; CHECK-NEXT: mov dword ptr [i64v],
+}
+
+define void @from_int16() {
+entry:
+ %v0 = load i16* @i16v, align 1
+ %v1 = trunc i16 %v0 to i8
+ store i8 %v1, i8* @i8v, align 1
+ %v2 = sext i16 %v0 to i32
+ store i32 %v2, i32* @i32v, align 1
+ %v3 = sext i16 %v0 to i64
+ store i64 %v3, i64* @i64v, align 1
+ ret void
+ ; CHECK: mov ax, word ptr [
+ ; CHECK-NEXT: mov cx, ax
+ ; CHECK-NEXT: mov byte ptr [
+ ; CHECK-NEXT: movsx ecx, ax
+ ; CHECK-NEXT: mov dword ptr [
+ ; CHECK-NEXT: movsx ecx, ax
+ ; CHECK-NEXT: sar eax, 31
+ ; CHECK-NEXT: mov dword ptr [i64v+4],
+ ; CHECK-NEXT: mov dword ptr [i64v],
+}
+
+define void @from_int32() {
+entry:
+ %v0 = load i32* @i32v, align 1
+ %v1 = trunc i32 %v0 to i8
+ store i8 %v1, i8* @i8v, align 1
+ %v2 = trunc i32 %v0 to i16
+ store i16 %v2, i16* @i16v, align 1
+ %v3 = sext i32 %v0 to i64
+ store i64 %v3, i64* @i64v, align 1
+ ret void
+ ; CHECK: mov eax, dword ptr [
+ ; CHECK-NEXT: mov ecx, eax
+ ; CHECK-NEXT: mov byte ptr [
+ ; CHECK-NEXT: mov ecx, eax
+ ; CHECK-NEXT: mov word ptr [
+ ; CHECK-NEXT: mov ecx, eax
+ ; CHECK-NEXT: sar eax, 31
+ ; CHECK-NEXT: mov dword ptr [i64v+4],
+ ; CHECK-NEXT: mov dword ptr [i64v],
+}
+
+define void @from_int64() {
+entry:
+ %v0 = load i64* @i64v, align 1
+ %v1 = trunc i64 %v0 to i8
+ store i8 %v1, i8* @i8v, align 1
+ %v2 = trunc i64 %v0 to i16
+ store i16 %v2, i16* @i16v, align 1
+ %v3 = trunc i64 %v0 to i32
+ store i32 %v3, i32* @i32v, align 1
+ ret void
+ ; CHECK: mov eax, dword ptr [
+ ; CHECK-NEXT: mov ecx, eax
+ ; CHECK-NEXT: mov byte ptr [
+ ; CHECK-NEXT: mov ecx, eax
+ ; CHECK-NEXT: mov word ptr [
+ ; CHECK-NEXT: mov dword ptr [
+}
+
+define void @from_uint8() {
+entry:
+ %v0 = load i8* @u8v, align 1
+ %v1 = zext i8 %v0 to i16
+ store i16 %v1, i16* @i16v, align 1
+ %v2 = zext i8 %v0 to i32
+ store i32 %v2, i32* @i32v, align 1
+ %v3 = zext i8 %v0 to i64
+ store i64 %v3, i64* @i64v, align 1
+ ret void
+ ; CHECK: mov al, byte ptr [
+ ; CHECK-NEXT: movzx cx, al
+ ; CHECK-NEXT: mov word ptr [
+ ; CHECK-NEXT: movzx ecx, al
+ ; CHECK-NEXT: mov dword ptr [
+ ; CHECK-NEXT: movzx eax, al
+ ; CHECK-NEXT: mov ecx, 0
+ ; CHECK-NEXT: mov dword ptr [i64v+4],
+ ; CHECK-NEXT: mov dword ptr [i64v],
+}
+
+define void @from_uint16() {
+entry:
+ %v0 = load i16* @u16v, align 1
+ %v1 = trunc i16 %v0 to i8
+ store i8 %v1, i8* @i8v, align 1
+ %v2 = zext i16 %v0 to i32
+ store i32 %v2, i32* @i32v, align 1
+ %v3 = zext i16 %v0 to i64
+ store i64 %v3, i64* @i64v, align 1
+ ret void
+ ; CHECK: mov ax, word ptr [
+ ; CHECK-NEXT: mov cx, ax
+ ; CHECK-NEXT: mov byte ptr [
+ ; CHECK-NEXT: movzx ecx, ax
+ ; CHECK-NEXT: mov dword ptr [
+ ; CHECK-NEXT: movzx eax, ax
+ ; CHECK-NEXT: mov ecx, 0
+ ; CHECK-NEXT: mov dword ptr [i64v+4],
+ ; CHECK-NEXT: mov dword ptr [i64v],
+}
+
+define void @from_uint32() {
+entry:
+ %v0 = load i32* @u32v, align 1
+ %v1 = trunc i32 %v0 to i8
+ store i8 %v1, i8* @i8v, align 1
+ %v2 = trunc i32 %v0 to i16
+ store i16 %v2, i16* @i16v, align 1
+ %v3 = zext i32 %v0 to i64
+ store i64 %v3, i64* @i64v, align 1
+ ret void
+ ; CHECK: mov eax, dword ptr [
+ ; CHECK-NEXT: mov ecx, eax
+ ; CHECK-NEXT: mov byte ptr [
+ ; CHECK-NEXT: mov ecx, eax
+ ; CHECK-NEXT: mov word ptr [
+ ; CHECK-NEXT: mov ecx, 0
+ ; CHECK-NEXT: mov dword ptr [i64v+4],
+ ; CHECK-NEXT: mov dword ptr [i64v],
+}
+
+define void @from_uint64() {
+entry:
+ %v0 = load i64* @u64v, align 1
+ %v1 = trunc i64 %v0 to i8
+ store i8 %v1, i8* @i8v, align 1
+ %v2 = trunc i64 %v0 to i16
+ store i16 %v2, i16* @i16v, align 1
+ %v3 = trunc i64 %v0 to i32
+ store i32 %v3, i32* @i32v, align 1
+ ret void
+ ; CHECK: mov eax, dword ptr [
+ ; CHECK-NEXT: mov ecx, eax
+ ; CHECK-NEXT: mov byte ptr [
+ ; CHECK-NEXT: mov ecx, eax
+ ; CHECK-NEXT: mov word ptr [
+ ; CHECK-NEXT: mov dword ptr [
+}
+
+; ERRORS-NOT: ICE translation error
+; DUMP-NOT: SZ
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