This reverts commit 74bf0b1cd9dde53b2df08966bcf2f91d4909ccd6. The test always fails. | mlir/test/Dialect/GPU/test-nvvm-pipeline.mlir:23:16: error: CHECK-PTX: expected string not found in input | // CHECK-PTX: __nv_expf https://lab.llvm.org/buildbot/#/builders/61/builds/53789