================
@@ -0,0 +1,182 @@
+// RUN: %clang_cc1 -x c -ffreestanding %s -triple=x86_64-unknown-linux
-target-feature +xsave -target-feature +xsaveopt -target-feature +xsavec
-target-feature +xsaves -fclangir -emit-cir -o %t.cir -Wall -Werror
+// RUN: FileCheck --check-prefix=CIR --input-file=%t.cir %s
+// RUN: %clang_cc1 -x c -ffreestanding %s -triple=x86_64-unknown-linux
-target-feature +xsave -target-feature +xsaveopt -target-feature +xsavec
-target-feature +xsaves -fclangir -emit-llvm -o %t.ll -Wall -Werror
+// RUN: FileCheck --check-prefixes=LLVM --input-file=%t.ll %s
+
+// RUN: %clang_cc1 -x c -ffreestanding %s -triple=x86_64-unknown-linux
-target-feature +xsave -target-feature +xsaveopt -target-feature +xsavec
-target-feature +xsaves -emit-llvm -o - -Wall -Werror | FileCheck %s
-check-prefix=OGCG
+
+void test_xsave(void *p, unsigned long long m) {
+ // CIR-LABEL: test_xsave
+ // CIR: cir.const #cir.int<32> : !s64i
+ // CIR: cir.shift(right, {{.*}} : !u64i, {{.*}} : !s64i) -> !u64i
+ // CIR: cir.cast integral %{{.*}} : !u64i -> !s32i
+ // CIR: cir.cast integral %{{.*}} : !u64i -> !s32i
+ // CIR: cir.call_llvm_intrinsic "x86.xsave"
----------------
andykaylor wrote:
```suggestion
// CIR: [[P:.*]] = cir.load
// CIR: [[M:.*]] = cir.load
// CIR: [[CONST:.*]] = cir.const #cir.int<32> : !s64i
// CIR: [[SHIFT:.*]] = cir.shift(right, [[M]] : !u64i, [[CONST]] : !s64i) ->
!u64i
// CIR: [[CAST1:.*]] = cir.cast integral %[[SHIFT]] : !u64i -> !s32i
// CIR: [[CAST2:.*]] = cir.cast integral %[[M]] : !u64i -> !s32i
// CIR: cir.call_llvm_intrinsic "x86.xsave" %[[P]], %[[CAST1]], %[[CAST2]]
```
This is the level of detail I was hoping to see, here and in the LLVM and OGCG
checks for this case. I want to be able to see the entire use-def flow. It's
fine to omit it for the others though, since as you noted they follow the same
pattern, though a comment explaining that would be useful.
https://github.com/llvm/llvm-project/pull/170877
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