File: multiple-pc4.s

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llvm-toolchain-16 1%3A16.0.6-15~deb12u1
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# RUN: llvm-mc -arch=hexagon -filetype=asm %s 2>%t; FileCheck --implicit-check-not=error %s <%t

# Check that multiple changes to a predicate in a packet are caught.

	{ p0 = cmp.eq (r0, r0); p3:0 = r0 }
# CHECK: rror: register {{.+}} modified more than once

	{ p0 = cmp.eq (r0, r0); c4 = r0 }
# CHECK: rror: register {{.+}} modified more than once

	p3:0 = r9
# CHECK-NOT: rror: register {{.+}} modified more than once

# Multiple writes to the same predicate register are permitted:

	{ p0 = cmp.eq (r0, r0); p0 = and(p1, p2) }
# CHECK-NOT: rror: register {{.+}} modified more than once