[llvm] [AMDGPU][GlobalISel] Update G_TRUNC tests (PR #180647)

[Petar Avramovic via llvm-commits]

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@@ -1,249 +1,135 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2
 ; RUN: llc -global-isel=0 -mtriple=amdgcn -mcpu=tahiti < %s | FileCheck -check-prefixes=GFX689,SI,GFX689-SDAG,SI-SDAG %s
-; RUN: llc -global-isel=1 -global-isel-abort=2 -mtriple=amdgcn -mcpu=tahiti < %s | FileCheck -check-prefixes=GFX689,SI,GFX689-GISEL,SI-GISEL %s
+; RUN: llc -global-isel=1 -new-reg-bank-select -global-isel-abort=2 -mtriple=amdgcn -mcpu=tahiti < %s | FileCheck -check-prefixes=GFX689,SI,GFX689-GISEL,SI-GISEL %s
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petar-avramovic wrote:

care for tests like this, only switch tests that actually use new regbanklegalize and work. Only switch when we can also remove -global-isel-abort=2

https://github.com/llvm/llvm-project/pull/180647