[llvm] [AMDGPU][MC] Implement fft and rotate modes for ds_swizzle_b32 (PR #108064)

[Matt Arsenault via llvm-commits]

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@@ -0,0 +1,93 @@
+// RUN: not llvm-mc -triple=amdgcn -mcpu=gfx908 -show-encoding %s | FileCheck %s
+// RUN: not llvm-mc -triple=amdgcn -mcpu=gfx1010 -show-encoding %s | FileCheck -check-prefix=GFX10PLUS %s
+// RUN: not llvm-mc -triple=amdgcn -mcpu=gfx1100 -show-encoding %s | FileCheck -check-prefix=GFX10PLUS %s
+// RUN: not llvm-mc -triple=amdgcn -mcpu=gfx1200 -show-encoding %s | FileCheck -check-prefix=GFX10PLUS %s
+
+// RUN: not llvm-mc -triple=amdgcn -mcpu=gfx908 -show-encoding %s 2>&1 | FileCheck -check-prefix=ERROR %s --implicit-check-not=error:
+// RUN: not llvm-mc -triple=amdgcn -mcpu=gfx1010 -show-encoding %s 2>&1 | FileCheck -check-prefix=ERROR %s --implicit-check-not=error:
+// RUN: not llvm-mc -triple=amdgcn -mcpu=gfx1100 -show-encoding %s 2>&1 | FileCheck -check-prefix=ERROR %s --implicit-check-not=error:
+// RUN: not llvm-mc -triple=amdgcn -mcpu=gfx1200 -show-encoding %s 2>&1 | FileCheck -check-prefix=ERROR %s --implicit-check-not=error:
+
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arsenm wrote:

Check the older generations too

https://github.com/llvm/llvm-project/pull/108064