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511bf307f0
- For shifts this shrinks the IR by no longer needing an `assume` while still providing the UB information - Having this on the `i8`→`i1` truncations will hopefully help with some places that have to load `i8`s or pass those in LLVM structs without range information
146 lines
3.5 KiB
Rust
146 lines
3.5 KiB
Rust
//@ ignore-emscripten vectors passed directly
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//@ compile-flags: -Copt-level=3 -C no-prepopulate-passes
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// 32-bit x86 returns `f32` differently to avoid the x87 stack.
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// 32-bit systems will return 128bit values using a return area pointer.
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//@ revisions: x86-sse x86-nosse bit32 bit64
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//@[x86-sse] only-x86
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//@[x86-sse] only-rustc_abi-x86-sse2
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//@[x86-nosse] only-x86
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//@[x86-nosse] ignore-rustc_abi-x86-sse2
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//@[bit32] ignore-x86
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//@[bit32] only-32bit
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//@[bit64] ignore-x86
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//@[bit64] only-64bit
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// This test that using union forward the abi of the inner type, as
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// discussed in #54668
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#![crate_type = "lib"]
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#![feature(repr_simd)]
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#[derive(Copy, Clone)]
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pub enum Unhab {}
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#[repr(simd)]
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#[derive(Copy, Clone)]
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pub struct i64x4([i64; 4]);
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#[derive(Copy, Clone)]
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pub union UnionI64x4 {
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a: (),
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b: i64x4,
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}
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// CHECK: define {{(dso_local )?}}void @test_UnionI64x4(ptr {{.*}} %_1)
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#[no_mangle]
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pub fn test_UnionI64x4(_: UnionI64x4) {
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loop {}
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}
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pub union UnionI64x4_ {
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a: i64x4,
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b: (),
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c: i64x4,
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d: Unhab,
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e: ((), ()),
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f: UnionI64x4,
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}
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// CHECK: define {{(dso_local )?}}void @test_UnionI64x4_(ptr {{.*}} %_1)
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#[no_mangle]
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pub fn test_UnionI64x4_(_: UnionI64x4_) {
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loop {}
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}
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pub union UnionI64x4I64 {
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a: i64x4,
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b: i64,
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}
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// CHECK: define {{(dso_local )?}}void @test_UnionI64x4I64(ptr {{.*}} %_1)
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#[no_mangle]
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pub fn test_UnionI64x4I64(_: UnionI64x4I64) {
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loop {}
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}
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pub union UnionI64x4Tuple {
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a: i64x4,
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b: (i64, i64, i64, i64),
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}
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// CHECK: define {{(dso_local )?}}void @test_UnionI64x4Tuple(ptr {{.*}} %_1)
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#[no_mangle]
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pub fn test_UnionI64x4Tuple(_: UnionI64x4Tuple) {
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loop {}
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}
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pub union UnionF32 {
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a: f32,
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}
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// x86-sse: define {{(dso_local )?}}<4 x i8> @test_UnionF32(float %_1)
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// x86-nosse: define {{(dso_local )?}}i32 @test_UnionF32(float %_1)
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// bit32: define {{(dso_local )?}}float @test_UnionF32(float %_1)
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// bit64: define {{(dso_local )?}}float @test_UnionF32(float %_1)
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#[no_mangle]
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pub fn test_UnionF32(_: UnionF32) -> UnionF32 {
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loop {}
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}
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pub union UnionF32F32 {
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a: f32,
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b: f32,
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}
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// x86-sse: define {{(dso_local )?}}<4 x i8> @test_UnionF32F32(float %_1)
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// x86-nosse: define {{(dso_local )?}}i32 @test_UnionF32F32(float %_1)
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// bit32: define {{(dso_local )?}}float @test_UnionF32F32(float %_1)
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// bit64: define {{(dso_local )?}}float @test_UnionF32F32(float %_1)
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#[no_mangle]
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pub fn test_UnionF32F32(_: UnionF32F32) -> UnionF32F32 {
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loop {}
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}
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pub union UnionF32U32 {
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a: f32,
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b: u32,
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}
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// CHECK: define {{(dso_local )?}}i32 @test_UnionF32U32(i32{{( %0)?}})
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#[no_mangle]
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pub fn test_UnionF32U32(_: UnionF32U32) -> UnionF32U32 {
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loop {}
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}
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pub union UnionU128 {
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a: u128,
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}
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// x86-sse: define {{(dso_local )?}}void @test_UnionU128({{.*}}sret([16 x i8]){{.*}}, i128 %_1)
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// x86-nosse: define {{(dso_local )?}}void @test_UnionU128({{.*}}sret([16 x i8]){{.*}}, i128 %_1)
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// bit32: define {{(dso_local )?}}void @test_UnionU128({{.*}}sret([16 x i8]){{.*}}, i128 %_1)
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// bit64: define {{(dso_local )?}}i128 @test_UnionU128(i128 %_1)
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#[no_mangle]
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pub fn test_UnionU128(_: UnionU128) -> UnionU128 {
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loop {}
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}
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#[repr(C)]
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pub union CUnionU128 {
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a: u128,
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}
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// CHECK: define {{(dso_local )?}}void @test_CUnionU128(ptr {{.*}} %_1)
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#[no_mangle]
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pub fn test_CUnionU128(_: CUnionU128) {
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loop {}
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}
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pub union UnionBool {
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b: bool,
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}
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// CHECK: define {{(dso_local )?}}noundef zeroext i1 @test_UnionBool(i8{{.*}} %b)
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#[no_mangle]
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pub fn test_UnionBool(b: UnionBool) -> bool {
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unsafe { b.b }
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}
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// CHECK: %_0 = trunc{{( nuw)?}} i8 %b to i1
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