forked from OSchip/llvm-project
70 lines
2.0 KiB
ArmAsm
70 lines
2.0 KiB
ArmAsm
# RUN: not llvm-mc -triple=hexagon < %s 2>&1 | \
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# RUN: FileCheck %s --check-prefix=CHECK-STRICT
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# RUN: not llvm-mc -triple=hexagon -relax-nv-checks < %s 2>&1 | \
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# RUN: FileCheck %s --check-prefix=CHECK-RELAXED
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# CHECK-STRICT: :10:3: note: Register producer has the opposite predicate sense as consumer
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# CHECK-RELAXED: :10:3: note: Register producer has the opposite predicate sense as consumer
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{
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# invalid: r0 definition predicated on the opposite condition
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if (p3) r0 = add(r1, r2)
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if (!p3) memb(r20) = r0.new
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}
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# CHECK-STRICT: :18:3: note: FPU instructions cannot be new-value producers for jumps
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# CHECK-RELAXED: :18:3: note: FPU instructions cannot be new-value producers for jumps
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# CHECK-RELAXED: :19:3: error: Instruction does not have a valid new register producer
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{ # invalid: new-value compare-and-jump cannot use floating point value
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r0 = sfadd(r1, r2)
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if (cmp.eq(r0.new, #0)) jump:nt .
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}
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# No errors from this point on with the relaxed checks.
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# CHECK-RELAXED-NOT: error
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# CHECK-STRICT: :28:3: note: Register producer is predicated and consumer is unconditional
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{
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# valid in relaxed, p0 could always be true
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if (p0) r0 = r1
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if (cmp.eq(r0.new, #0)) jump:nt .
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}
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# CHECK-STRICT: :36:3: note: Register producer does not use the same predicate register as the consumer
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{
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# valid (relaxed): p2 and p3 cannot be proven to violate the new-value
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# requirements
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if (p3) r0 = add(r1, r2)
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if (p2) memb(r20) = r0.new
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}
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# CHECK-STRICT: :43:3: note: Register producer is predicated and consumer is unconditional
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{
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# valid (relaxed): p3 could be always true
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if (p3) r0 = add(r1, r2)
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memb(r20) = r0.new
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}
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# No errors from this point on with the strict checks.
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# CHECK-RELAXED-NOT: error
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{
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# valid: r0 defined unconditionally
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r0 = add(r1, r2)
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if (p2) memb(r20) = r0.new
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}
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{
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# valid: r0 definition and use identically predicated
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if (p3) r0 = add(r1, r2)
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if (p3) memb(r20) = r0.new
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}
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{
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# valid: r0 defined regardless of p0
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if (p0) r0 = #0
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if (!p0) r0 = #1
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if (p0) memb(r20) = r0.new
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}
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