| ; Simple test of signed and unsigned integer conversions. |
| |
| ; RUN: %llvm2ice -O2 --verbose none %s | FileCheck %s |
| ; RUN: %llvm2ice -Om1 --verbose none %s | FileCheck %s |
| ; RUIN: %llvm2ice -O2 --verbose none %s \ |
| ; RUIN: | llvm-mc -arch=x86 -x86-asm-syntax=intel -filetype=obj |
| ; RUIN: %llvm2ice -Om1 --verbose none %s \ |
| ; RUIN: | llvm-mc -arch=x86 -x86-asm-syntax=intel -filetype=obj |
| ; RUN: %llvm2ice --verbose none %s | FileCheck --check-prefix=ERRORS %s |
| ; RUN: %llvm2iceinsts %s | %szdiff %s | FileCheck --check-prefix=DUMP %s |
| ; RUN: %llvm2iceinsts --pnacl %s | %szdiff %s \ |
| ; RUN: | FileCheck --check-prefix=DUMP %s |
| |
| @i8v = internal global [1 x i8] zeroinitializer, align 1 |
| @i16v = internal global [2 x i8] zeroinitializer, align 2 |
| @i32v = internal global [4 x i8] zeroinitializer, align 4 |
| @i64v = internal global [8 x i8] zeroinitializer, align 8 |
| @u8v = internal global [1 x i8] zeroinitializer, align 1 |
| @u16v = internal global [2 x i8] zeroinitializer, align 2 |
| @u32v = internal global [4 x i8] zeroinitializer, align 4 |
| @u64v = internal global [8 x i8] zeroinitializer, align 8 |
| |
| define void @from_int8() { |
| entry: |
| %__0 = bitcast [1 x i8]* @i8v to i8* |
| %v0 = load i8* %__0, align 1 |
| %v1 = sext i8 %v0 to i16 |
| %__3 = bitcast [2 x i8]* @i16v to i16* |
| store i16 %v1, i16* %__3, align 1 |
| %v2 = sext i8 %v0 to i32 |
| %__5 = bitcast [4 x i8]* @i32v to i32* |
| store i32 %v2, i32* %__5, align 1 |
| %v3 = sext i8 %v0 to i64 |
| %__7 = bitcast [8 x i8]* @i64v to i64* |
| store i64 %v3, i64* %__7, align 1 |
| ret void |
| } |
| ; CHECK: from_int8: |
| ; CHECK: mov {{.*}}, byte ptr [ |
| ; CHECK: movsx |
| ; CHECK: mov word ptr [ |
| ; CHECK: movsx |
| ; CHECK: mov dword ptr [ |
| ; CHECK: movsx |
| ; CHECK: sar {{.*}}, 31 |
| ; CHECK: i64v |
| |
| define void @from_int16() { |
| entry: |
| %__0 = bitcast [2 x i8]* @i16v to i16* |
| %v0 = load i16* %__0, align 1 |
| %v1 = trunc i16 %v0 to i8 |
| %__3 = bitcast [1 x i8]* @i8v to i8* |
| store i8 %v1, i8* %__3, align 1 |
| %v2 = sext i16 %v0 to i32 |
| %__5 = bitcast [4 x i8]* @i32v to i32* |
| store i32 %v2, i32* %__5, align 1 |
| %v3 = sext i16 %v0 to i64 |
| %__7 = bitcast [8 x i8]* @i64v to i64* |
| store i64 %v3, i64* %__7, align 1 |
| ret void |
| } |
| ; CHECK: from_int16: |
| ; CHECK: mov {{.*}}, word ptr [ |
| ; CHECK: i8v |
| ; CHECK: movsx |
| ; CHECK: i32v |
| ; CHECK: movsx |
| ; CHECK: sar {{.*}}, 31 |
| ; CHECK: i64v |
| |
| define void @from_int32() { |
| entry: |
| %__0 = bitcast [4 x i8]* @i32v to i32* |
| %v0 = load i32* %__0, align 1 |
| %v1 = trunc i32 %v0 to i8 |
| %__3 = bitcast [1 x i8]* @i8v to i8* |
| store i8 %v1, i8* %__3, align 1 |
| %v2 = trunc i32 %v0 to i16 |
| %__5 = bitcast [2 x i8]* @i16v to i16* |
| store i16 %v2, i16* %__5, align 1 |
| %v3 = sext i32 %v0 to i64 |
| %__7 = bitcast [8 x i8]* @i64v to i64* |
| store i64 %v3, i64* %__7, align 1 |
| ret void |
| } |
| ; CHECK: from_int32: |
| ; CHECK: i32v |
| ; CHECK: i8v |
| ; CHECK: i16v |
| ; CHECK: sar {{.*}}, 31 |
| ; CHECK: i64v |
| |
| define void @from_int64() { |
| entry: |
| %__0 = bitcast [8 x i8]* @i64v to i64* |
| %v0 = load i64* %__0, align 1 |
| %v1 = trunc i64 %v0 to i8 |
| %__3 = bitcast [1 x i8]* @i8v to i8* |
| store i8 %v1, i8* %__3, align 1 |
| %v2 = trunc i64 %v0 to i16 |
| %__5 = bitcast [2 x i8]* @i16v to i16* |
| store i16 %v2, i16* %__5, align 1 |
| %v3 = trunc i64 %v0 to i32 |
| %__7 = bitcast [4 x i8]* @i32v to i32* |
| store i32 %v3, i32* %__7, align 1 |
| ret void |
| } |
| ; CHECK: from_int64: |
| ; CHECK: i64v |
| ; CHECK: i8v |
| ; CHECK: i16v |
| ; CHECK: i32v |
| |
| define void @from_uint8() { |
| entry: |
| %__0 = bitcast [1 x i8]* @u8v to i8* |
| %v0 = load i8* %__0, align 1 |
| %v1 = zext i8 %v0 to i16 |
| %__3 = bitcast [2 x i8]* @i16v to i16* |
| store i16 %v1, i16* %__3, align 1 |
| %v2 = zext i8 %v0 to i32 |
| %__5 = bitcast [4 x i8]* @i32v to i32* |
| store i32 %v2, i32* %__5, align 1 |
| %v3 = zext i8 %v0 to i64 |
| %__7 = bitcast [8 x i8]* @i64v to i64* |
| store i64 %v3, i64* %__7, align 1 |
| ret void |
| } |
| ; CHECK: from_uint8: |
| ; CHECK: u8v |
| ; CHECK: movzx |
| ; CHECK: i16v |
| ; CHECK: movzx |
| ; CHECK: i32v |
| ; CHECK: movzx |
| ; CHECK: mov {{.*}}, 0 |
| ; CHECK: i64v |
| |
| define void @from_uint16() { |
| entry: |
| %__0 = bitcast [2 x i8]* @u16v to i16* |
| %v0 = load i16* %__0, align 1 |
| %v1 = trunc i16 %v0 to i8 |
| %__3 = bitcast [1 x i8]* @i8v to i8* |
| store i8 %v1, i8* %__3, align 1 |
| %v2 = zext i16 %v0 to i32 |
| %__5 = bitcast [4 x i8]* @i32v to i32* |
| store i32 %v2, i32* %__5, align 1 |
| %v3 = zext i16 %v0 to i64 |
| %__7 = bitcast [8 x i8]* @i64v to i64* |
| store i64 %v3, i64* %__7, align 1 |
| ret void |
| } |
| ; CHECK: from_uint16: |
| ; CHECK: u16v |
| ; CHECK: i8v |
| ; CHECK: movzx |
| ; CHECK: i32v |
| ; CHECK: movzx |
| ; CHECK: mov {{.*}}, 0 |
| ; CHECK: i64v |
| |
| define void @from_uint32() { |
| entry: |
| %__0 = bitcast [4 x i8]* @u32v to i32* |
| %v0 = load i32* %__0, align 1 |
| %v1 = trunc i32 %v0 to i8 |
| %__3 = bitcast [1 x i8]* @i8v to i8* |
| store i8 %v1, i8* %__3, align 1 |
| %v2 = trunc i32 %v0 to i16 |
| %__5 = bitcast [2 x i8]* @i16v to i16* |
| store i16 %v2, i16* %__5, align 1 |
| %v3 = zext i32 %v0 to i64 |
| %__7 = bitcast [8 x i8]* @i64v to i64* |
| store i64 %v3, i64* %__7, align 1 |
| ret void |
| } |
| ; CHECK: from_uint32: |
| ; CHECK: u32v |
| ; CHECK: i8v |
| ; CHECK: i16v |
| ; CHECK: mov {{.*}}, 0 |
| ; CHECK: i64v |
| |
| define void @from_uint64() { |
| entry: |
| %__0 = bitcast [8 x i8]* @u64v to i64* |
| %v0 = load i64* %__0, align 1 |
| %v1 = trunc i64 %v0 to i8 |
| %__3 = bitcast [1 x i8]* @i8v to i8* |
| store i8 %v1, i8* %__3, align 1 |
| %v2 = trunc i64 %v0 to i16 |
| %__5 = bitcast [2 x i8]* @i16v to i16* |
| store i16 %v2, i16* %__5, align 1 |
| %v3 = trunc i64 %v0 to i32 |
| %__7 = bitcast [4 x i8]* @i32v to i32* |
| store i32 %v3, i32* %__7, align 1 |
| ret void |
| } |
| ; CHECK: from_uint64: |
| ; CHECK: u64v |
| ; CHECK: i8v |
| ; CHECK: i16v |
| ; CHECK: i32v |
| |
| ; ERRORS-NOT: ICE translation error |
| ; DUMP-NOT: SZ |