[llvm] [AMDGPU][AsmParser] Support structured HWREG operands. (PR #82805)

[Jay Foad via llvm-commits]

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@@ -5,48 +5,122 @@
 // RUN: not llvm-mc -triple=amdgcn -mcpu=gfx1010 -show-encoding %s | FileCheck -check-prefix=GFX10 %s
 // RUN: not llvm-mc -triple=amdgcn -mcpu=gfx1100 -show-encoding %s | FileCheck -check-prefix=GFX11 %s
 
-// RUN: not llvm-mc -triple=amdgcn %s 2>&1 | FileCheck -check-prefixes=GCN,SICIVI-ERR --implicit-check-not=error: %s
-// RUN: not llvm-mc -triple=amdgcn -mcpu=tahiti %s 2>&1 | FileCheck -check-prefixes=GCN,SICIVI-ERR --implicit-check-not=error: %s
-// RUN: not llvm-mc -triple=amdgcn -mcpu=tonga %s 2>&1 | FileCheck -check-prefixes=GCN,SICIVI-ERR --implicit-check-not=error: %s
-// RUN: not llvm-mc -triple=amdgcn -mcpu=gfx900 %s 2>&1 | FileCheck -check-prefixes=GCN,GFX9-ERR --implicit-check-not=error: %s
-// RUN: not llvm-mc -triple=amdgcn -mcpu=gfx1010 %s 2>&1 | FileCheck -check-prefixes=GCN,GFX10-ERR --implicit-check-not=error: %s
-// RUN: not llvm-mc -triple=amdgcn -mcpu=gfx1100 %s 2>&1 | FileCheck -check-prefixes=GCN,GFX11-ERR --implicit-check-not=error: %s
+// RUN: not llvm-mc -triple=amdgcn %s 2>&1 | FileCheck -check-prefixes=GCN,SICIVI-ERR --implicit-check-not=error: --strict-whitespace %s
+// RUN: not llvm-mc -triple=amdgcn -mcpu=tahiti %s 2>&1 | FileCheck -check-prefixes=GCN,SICIVI-ERR --implicit-check-not=error: --strict-whitespace %s
+// RUN: not llvm-mc -triple=amdgcn -mcpu=tonga %s 2>&1 | FileCheck -check-prefixes=GCN,SICIVI-ERR --implicit-check-not=error: --strict-whitespace %s
+// RUN: not llvm-mc -triple=amdgcn -mcpu=gfx900 %s 2>&1 | FileCheck -check-prefixes=GCN,GFX9-ERR --implicit-check-not=error: --strict-whitespace %s
+// RUN: not llvm-mc -triple=amdgcn -mcpu=gfx1010 %s 2>&1 | FileCheck -check-prefixes=GCN,GFX10-ERR --implicit-check-not=error: --strict-whitespace %s
+// RUN: not llvm-mc -triple=amdgcn -mcpu=gfx1100 %s 2>&1 | FileCheck -check-prefixes=GCN,GFX11-ERR --implicit-check-not=error: --strict-whitespace %s
 
 s_setreg_b32  0x1f803, s2
 // GCN: :[[@LINE-1]]:{{[0-9]+}}: error: invalid immediate: only 16-bit values are legal
+// GCN-NEXT: {{^}}s_setreg_b32  0x1f803, s2
+// GCN-NEXT: {{^}}              ^
 
 s_setreg_b32  typo(0x40), s2
 // GCN: :[[@LINE-1]]:{{[0-9]+}}: error: expected a hwreg macro or an absolute expression
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jayfoad wrote:

Nit: "... or a structured initializer"?

https://github.com/llvm/llvm-project/pull/82805